{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-21908", "tracking": { "current_release_date": "2026-06-09T14:14:30.333345Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-21908", "initial_release_date": "2026-01-14T18:40:37.527837Z", "revision_history": [ { "date": "2026-01-14T18:40:37.527837Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (9).| Products connected (7).| Vendor_assessment created." }, { "date": "2026-01-14T18:40:46.949051Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-01-15T11:10:42.598560Z", "number": "3", "summary": "Source connected.| CVE status created. (valid)| Products connected (2).| References created (27)." }, { "date": "2026-01-15T11:10:44.196710Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-01-15T20:38:49.937940Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (7).| Products connected (3).| References created (2).| CWES updated (1)." }, { "date": "2026-01-15T20:39:00.641411Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-01-15T21:26:37.205916Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-01-15T21:26:39.145222Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-01-15T21:38:48.634453Z", "number": "9", "summary": "Unknown change." }, { "date": "2026-01-16T01:41:56.634992Z", "number": "10", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-01-16T10:08:53.972782Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-01-16T14:36:53.670709Z", "number": "12", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-01-17T21:26:52.314217Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-01-23T20:31:07.436532Z", "number": "14", "summary": "Products connected (48).| Product Identifiers created (51).| Products created (3)." }, { "date": "2026-01-23T20:31:14.606557Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-19T21:20:44.376501Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (51).| Product Identifiers created (51).| References created (2).| CWES updated (1)." }, { "date": "2026-03-19T21:20:47.704661Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-20T10:02:33.913655Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-11T14:11:47.804032Z", "number": "19", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-11T14:12:20.433694Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-04-15T02:44:01.975950Z", "number": "21", "summary": "NCSC Score updated." }, { "date": "2026-06-09T14:11:56.557465Z", "number": "22", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-06-09T14:11:58.354703Z", "number": "23", "summary": "NCSC Score updated." } ], "status": "interim", "version": "23" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/os", "product": { "name": "vers:unknown/os", "product_id": "CSAFPID-5019238", "product_identification_helper": { "cpe": "cpe:/o:juniper:junos:os" } } }, { "category": "product_version_range", "name": "vers:unknown/os evolved", "product": { "name": "vers:unknown/os evolved", "product_id": "CSAFPID-5019239", "product_identification_helper": { "cpe": "cpe:/o:juniper:junos:os_evolved" } } } ], "category": "product_name", "name": "JUNOS" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s1", "product": { "name": "vers:unknown/23.2-r2-s1", "product_id": "CSAFPID-5460955", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s2", "product": { "name": "vers:unknown/23.2-r2-s2", "product_id": "CSAFPID-5460956", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s3", "product": { "name": "vers:unknown/23.2-r2-s3", "product_id": "CSAFPID-5460986", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s4", "product": { "name": "vers:unknown/23.2-r2-s4", "product_id": "CSAFPID-5461460", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.2:r2-s4:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2", "product": { "name": "vers:unknown/23.4-r2", "product_id": "CSAFPID-5457143", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2-s1", "product": { "name": "vers:unknown/23.4-r2-s1", "product_id": "CSAFPID-5460958", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2-s2", "product": { "name": "vers:unknown/23.4-r2-s2", "product_id": "CSAFPID-5460959", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2-s3", "product": { "name": "vers:unknown/23.4-r2-s3", "product_id": "CSAFPID-5460964", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2-s3:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2-s4", "product": { "name": "vers:unknown/23.4-r2-s4", "product_id": "CSAFPID-5461275", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2-s4:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.4-r2-s5", "product": { "name": "vers:unknown/23.4-r2-s5", "product_id": "CSAFPID-5461528", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:23.4:r2-s5:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2", "product": { "name": "vers:unknown/24.2", "product_id": "CSAFPID-2535286", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r1", "product": { "name": "vers:unknown/24.2-r1", "product_id": "CSAFPID-5460960", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r1-s1", "product": { "name": "vers:unknown/24.2-r1-s1", "product_id": "CSAFPID-5460961", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r1-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r1-s2", "product": { "name": "vers:unknown/24.2-r1-s2", "product_id": "CSAFPID-5460987", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r1-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2", "product": { "name": "vers:unknown/24.2-r2", "product_id": "CSAFPID-5460962", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2-s1", "product": { "name": "vers:unknown/24.2-r2-s1", "product_id": "CSAFPID-5461525", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r2-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2-s2", "product": { "name": "vers:unknown/24.2-r2-s2", "product_id": "CSAFPID-5461536", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.2:r2-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4", "product": { "name": "vers:unknown/24.4", "product_id": "CSAFPID-5443921", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.4:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1", "product": { "name": "vers:unknown/24.4-r1", "product_id": "CSAFPID-5460988", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.4:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1-s2", "product": { "name": "vers:unknown/24.4-r1-s2", "product_id": "CSAFPID-5461368", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.4:r1-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1-s3", "product": { "name": "vers:unknown/24.4-r1-s3", "product_id": "CSAFPID-5461459", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.4:r1-s3:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r2", "product": { "name": "vers:unknown/24.4-r2", "product_id": "CSAFPID-5460989", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:24.4:r2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2", "product": { "name": "vers:unknown/25.2", "product_id": "CSAFPID-5443923", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r1", "product": { "name": "vers:unknown/25.2-r1", "product_id": "CSAFPID-5461529", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r1-s1", "product": { "name": "vers:unknown/25.2-r1-s1", "product_id": "CSAFPID-5461538", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r2", "product": { "name": "vers:unknown/25.2-r2", "product_id": "CSAFPID-5461530", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos:25.2:r2:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "junos" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s1", "product": { "name": "vers:unknown/23.2-r2-s1", "product_id": "CSAFPID-5460970", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s2", "product": { "name": "vers:unknown/23.2-r2-s2", "product_id": "CSAFPID-5460971", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/23.2-r2-s3", "product": { "name": 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"cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s5:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2", "product": { "name": "vers:unknown/24.2", "product_id": "CSAFPID-1111376", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r1", "product": { "name": "vers:unknown/24.2-r1", "product_id": "CSAFPID-5460976", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r1-s2", "product": { "name": "vers:unknown/24.2-r1-s2", "product_id": "CSAFPID-5460977", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r1-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2", "product": { "name": "vers:unknown/24.2-r2", "product_id": "CSAFPID-5460980", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2-s1", "product": { "name": "vers:unknown/24.2-r2-s1", "product_id": "CSAFPID-5461524", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r2-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.2-r2-s2", "product": { "name": "vers:unknown/24.2-r2-s2", "product_id": "CSAFPID-5461539", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.2:r2-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4", "product": { "name": "vers:unknown/24.4", "product_id": "CSAFPID-5460981", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.4:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1", "product": { "name": "vers:unknown/24.4-r1", "product_id": "CSAFPID-5460982", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1-s2", "product": { "name": "vers:unknown/24.4-r1-s2", "product_id": "CSAFPID-5460983", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r1-s2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r1-s3", "product": { "name": "vers:unknown/24.4-r1-s3", "product_id": "CSAFPID-5460994", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r1-s3:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/24.4-r2", "product": { "name": "vers:unknown/24.4-r2", "product_id": "CSAFPID-5460984", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:24.4:r2:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2", "product": { "name": "vers:unknown/25.2", "product_id": "CSAFPID-5461533", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:25.2:-:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r1", "product": { "name": "vers:unknown/25.2-r1", "product_id": "CSAFPID-5461534", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:25.2:r1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r1-s1", "product": { "name": "vers:unknown/25.2-r1-s1", "product_id": "CSAFPID-5461540", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:25.2:r1-s1:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/25.2-r2", "product": { "name": "vers:unknown/25.2-r2", "product_id": "CSAFPID-5461535", "product_identification_helper": { "cpe": "cpe:2.3:o:juniper:junos_os_evolved:25.2:r2:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "junos_os_evolved" } ], "category": "vendor", "name": "Juniper" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/23.2r2-s1|<23.2r2-s5", "product": { "name": "vers:semver/23.2r2-s1|<23.2r2-s5", "product_id": "CSAFPID-5435607" } }, { "category": "product_version_range", "name": "vers:semver/23.4r2|<23.4r2-s6", "product": { "name": "vers:semver/23.4r2|<23.4r2-s6", "product_id": "CSAFPID-5435608" } }, { "category": "product_version_range", "name": "vers:semver/24.2|<24.2r2-s3", "product": { "name": "vers:semver/24.2|<24.2r2-s3", "product_id": "CSAFPID-5435592" } }, { "category": "product_version_range", "name": "vers:semver/24.4|<24.4r2-s1", "product": { "name": "vers:semver/24.4|<24.4r2-s1", "product_id": "CSAFPID-5435594" } }, { "category": "product_version_range", "name": "vers:semver/25.2|<25.2r1-s2,25.2r2", "product": { "name": "vers:semver/25.2|<25.2r1-s2,25.2r2", "product_id": "CSAFPID-5435587" } } ], "category": "product_name", "name": "Junos OS" }, { "branches": [ { "category": "product_version_range", "name": "vers:semver/23.2r2-s1|<23.2r2-s5-evo", "product": { "name": "vers:semver/23.2r2-s1|<23.2r2-s5-evo", "product_id": "CSAFPID-5435609" } }, { "category": "product_version_range", "name": "vers:semver/23.4r2|<23.4r2-s6-evo", "product": { "name": "vers:semver/23.4r2|<23.4r2-s6-evo", "product_id": "CSAFPID-5435610" } }, { "category": "product_version_range", "name": "vers:semver/24.2|<24.2r2-s3-evo", "product": { "name": "vers:semver/24.2|<24.2r2-s3-evo", "product_id": "CSAFPID-5435611" } }, { "category": "product_version_range", "name": "vers:semver/24.4|<24.4r2-s1-evo", "product": { "name": "vers:semver/24.4|<24.4r2-s1-evo", "product_id": "CSAFPID-5435612" } }, { "category": "product_version_range", "name": "vers:semver/25.2|<25.2r1-s2-evo,25.2r2-evo", "product": { "name": "vers:semver/25.2|<25.2r1-s2-evo,25.2r2-evo", "product_id": "CSAFPID-5435613" } } ], "category": "product_name", "name": "Junos OS Evolved" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/23.2r2-s5", "product": { "name": "vers:unknown/23.2r2-s5", "product_id": "CSAFPID-5429167" } }, { "category": "product_version_range", "name": "vers:unknown/23.4r2-s6", "product": { "name": "vers:unknown/23.4r2-s6", "product_id": "CSAFPID-5429168" } }, { "category": "product_version_range", "name": "vers:unknown/24.2r2-s3", "product": { "name": "vers:unknown/24.2r2-s3", "product_id": "CSAFPID-5429169" } }, { "category": "product_version_range", "name": "vers:unknown/24.4r2-s1", "product": { "name": "vers:unknown/24.4r2-s1", "product_id": "CSAFPID-5429137" } }, { "category": "product_version_range", "name": "vers:unknown/25.2r1-s2", "product": { "name": "vers:unknown/25.2r1-s2", "product_id": "CSAFPID-5429176" } }, { "category": "product_version_range", "name": "vers:unknown/25.2r2", "product": { "name": "vers:unknown/25.2r2", "product_id": "CSAFPID-5429172" } }, { "category": "product_version_range", "name": "vers:unknown/25.4r1", "product": { "name": "vers:unknown/25.4r1", "product_id": "CSAFPID-5429173" } }, { "category": "product_version_range", "name": "vers:unknown/>=23.2r2-s1|<=25.2", "product": { "name": "vers:unknown/>=23.2r2-s1|<=25.2", "product_id": "CSAFPID-5429223" } } ], "category": "product_name", "name": "OS" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/23.2r2-s5-evo", "product": { "name": "vers:unknown/23.2r2-s5-evo", "product_id": "CSAFPID-5429225" } }, { "category": "product_version_range", "name": "vers:unknown/23.4r2-s6-evo", "product": { "name": "vers:unknown/23.4r2-s6-evo", "product_id": "CSAFPID-5429226" } }, { "category": "product_version_range", "name": "vers:unknown/24.2r2-s3-evo", "product": { "name": "vers:unknown/24.2r2-s3-evo", "product_id": "CSAFPID-5429227" } }, { "category": "product_version_range", "name": "vers:unknown/24.4r2-s1-evo", "product": { "name": "vers:unknown/24.4r2-s1-evo", "product_id": "CSAFPID-5429228" } }, { "category": "product_version_range", "name": "vers:unknown/25.2r1-s2-evo", "product": { "name": "vers:unknown/25.2r1-s2-evo", "product_id": "CSAFPID-5429229" } }, { "category": "product_version_range", "name": "vers:unknown/25.2r2-evo", "product": { "name": "vers:unknown/25.2r2-evo", "product_id": "CSAFPID-5429230" } }, { "category": "product_version_range", "name": "vers:unknown/25.4r1-evo", "product": { "name": "vers:unknown/25.4r1-evo", "product_id": "CSAFPID-5429231" } }, { "category": "product_version_range", "name": "vers:unknown/>=23.2r2-s1|<=25.2", "product": { "name": "vers:unknown/>=23.2r2-s1|<=25.2", "product_id": "CSAFPID-5429224" } } ], "category": "product_name", "name": "OS Evolved" } ], "category": "vendor", "name": "Juniper Networks" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-21908", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "notes": [ { "category": "description", "text": "A Use After Free vulnerability was identified in the 802.1X authentication daemon (dot1xd) of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service (DoS), or potentially execute arbitrary code within the context of the process running as root. The issue is specific to the processing of a change in authorization (CoA) when a port bounce occurs. A pointer is freed but was then referenced later in the same code path. Successful exploitation is outside the attacker's direct control due to the specific timing of the two events required to execute the vulnerable code path. This issue affects systems with 802.1X authentication port-based network access control (PNAC) enabled.", "title": "juniper - https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Use-after-free-vulnerability-In-802-1X-authentication-daemon-can-cause-crash-of-the-dot1xd-process-CVE-2026-21908" }, { "category": "description", "text": "A Use After Free vulnerability was identified in the 802.1X authentication daemon (dot1xd) of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service (DoS), or potentially execute arbitrary code within the context of the process running as root.\n\nThe issue is specific to the processing of a change in authorization (CoA) when a port bounce occurs. A pointer is freed but was then referenced later in the same code path. Successful exploitation is outside the attacker's direct control due to the specific timing of the two events required to execute the vulnerable code path.\n\nThis issue affects systems with 802.1X authentication port-based network access control (PNAC) enabled.\nThis issue affects:\n\nJunos OS: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5, \n * from 23.4R2 before 23.4R2-S6, \n * from 24.2 before 24.2R2-S3, \n * from 24.4 before 24.4R2-S1, \n * from 25.2 before 25.2R1-S2, 25.2R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5-EVO, \n * from 23.4R2 before 23.4R2-S6-EVO, \n * from 24.2 before 24.2R2-S3-EVO, \n * from 24.4 before 24.4R2-S1-EVO, \n * from 25.2 before 25.2R1-S2-EVO, 25.2R2-EVO.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-21908" }, { "category": "description", "text": "A Use After Free vulnerability was identified in the 802.1X authentication daemon (dot1xd) of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service (DoS), or potentially execute arbitrary code within the context of the process running as root.\n\nThe issue is specific to the processing of a change in authorization (CoA) when a port bounce occurs. A pointer is freed but was then referenced later in the same code path. Successful exploitation is outside the attacker's direct control due to the specific timing of the two events required to execute the vulnerable code path.\n\nThis issue affects systems with 802.1X authentication port-based network access control (PNAC) enabled.\nThis issue affects:\n\nJunos OS: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5, \n * from 23.4R2 before 23.4R2-S6, \n * from 24.2 before 24.2R2-S3, \n * from 24.4 before 24.4R2-S1, \n * from 25.2 before 25.2R1-S2, 25.2R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5-EVO, \n * from 23.4R2 before 23.4R2-S6-EVO, \n * from 24.2 before 24.2R2-S3-EVO, \n * from 24.4 before 24.4R2-S1-EVO, \n * from 25.2 before 25.2R1-S2-EVO, 25.2R2-EVO.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-21908" }, { "category": "description", "text": "A Use After Free vulnerability was identified in the 802.1X authentication daemon (dot1xd) of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service (DoS), or potentially execute arbitrary code within the context of the process running as root.\n\nThe issue is specific to the processing of a change in authorization (CoA) when a port bounce occurs. A pointer is freed but was then referenced later in the same code path. Successful exploitation is outside the attacker's direct control due to the specific timing of the two events required to execute the vulnerable code path.\n\nThis issue affects systems with 802.1X authentication port-based network access control (PNAC) enabled.\nThis issue affects:\n\nJunos OS: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5, \n * from 23.4R2 before 23.4R2-S6, \n * from 24.2 before 24.2R2-S3, \n * from 24.4 before 24.4R2-S1, \n * from 25.2 before 25.2R1-S2, 25.2R2; \n\n\n\n\nJunos OS Evolved: \n\n\n\n * from 23.2R2-S1 before 23.2R2-S5-EVO, \n * from 23.4R2 before 23.4R2-S6-EVO, \n * from 24.2 before 24.2R2-S3-EVO, \n * from 24.4 before 24.4R2-S1-EVO, \n * from 25.2 before 25.2R1-S2-EVO, 25.2R2-EVO.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21908" }, { "category": "other", "text": "0.00011", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/RE:M/U:Green", "title": "CVSSV4" }, { "category": "other", "text": "7.5", "title": "CVSSV4 base score" }, { "category": "other", "text": "7.3", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Juniper, Is related to (a version of) an uncommon product, There is product data available from source Certbundde, Is related to an uncommon product source", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The CVSS vector string contains AV:N (Attack Vector: Network)", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-5429137", "CSAFPID-5429167", "CSAFPID-5429168", "CSAFPID-5429169", "CSAFPID-5429172", "CSAFPID-5429173", "CSAFPID-5429176", "CSAFPID-5429225", "CSAFPID-5429226", "CSAFPID-5429227", "CSAFPID-5429228", "CSAFPID-5429229", "CSAFPID-5429230", "CSAFPID-5429231" ], "known_affected": [ "CSAFPID-5429223", "CSAFPID-5429224", "CSAFPID-5019238", "CSAFPID-5019239", "CSAFPID-5435587", "CSAFPID-5435592", "CSAFPID-5435594", "CSAFPID-5435607", "CSAFPID-5435608", "CSAFPID-5435609", "CSAFPID-5435610", "CSAFPID-5435611", "CSAFPID-5435612", "CSAFPID-5435613", "CSAFPID-1111376", "CSAFPID-2535286", "CSAFPID-5443921", "CSAFPID-5443923", "CSAFPID-5457054", "CSAFPID-5457143", "CSAFPID-5460955", "CSAFPID-5460956", "CSAFPID-5460958", "CSAFPID-5460959", "CSAFPID-5460960", "CSAFPID-5460961", "CSAFPID-5460962", "CSAFPID-5460964", "CSAFPID-5460970", "CSAFPID-5460971", "CSAFPID-5460973", "CSAFPID-5460974", "CSAFPID-5460975", "CSAFPID-5460976", "CSAFPID-5460977", "CSAFPID-5460978", "CSAFPID-5460979", "CSAFPID-5460980", "CSAFPID-5460981", "CSAFPID-5460982", "CSAFPID-5460983", "CSAFPID-5460984", "CSAFPID-5460986", "CSAFPID-5460987", "CSAFPID-5460988", "CSAFPID-5460989", "CSAFPID-5460994", "CSAFPID-5461275", "CSAFPID-5461368", "CSAFPID-5461459", "CSAFPID-5461460", "CSAFPID-5461462", "CSAFPID-5461524", "CSAFPID-5461525", "CSAFPID-5461526", "CSAFPID-5461528", "CSAFPID-5461529", "CSAFPID-5461530", "CSAFPID-5461533", "CSAFPID-5461534", "CSAFPID-5461535", "CSAFPID-5461536", "CSAFPID-5461538", "CSAFPID-5461539", "CSAFPID-5461540" ] }, "references": [ { "category": "external", "summary": "Source - juniper", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Use-after-free-vulnerability-In-802-1X-authentication-daemon-can-cause-crash-of-the-dot1xd-process-CVE-2026-21908" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0117.json" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-21908" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21908.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21908" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21908" }, { "category": "external", "summary": "Source - hkcert", "url": "https://www.hkcert.org/security-bulletin/juniper-junos-os-multiple-vulnerabilities_20260116" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0017" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-21908" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21908" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=10000" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=20000" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0117.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0117" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/global-search/%40uri#sortCriteria=date%20descending&f-sf_primarysourcename=Knowledge&f-sf_articletype=Security%20Advisories&numberOfResults=100" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-BGP-update-with-a-set-of-specific-attributes-causes-rpd-crash-CVE-2025-60003" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-DHCP-Option-82-messages-from-clients-being-passed-unmodified-to-the-DHCP-server-CVE-2025-59960" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Executing-a-specific-show-command-leads-to-an-rpd-crash-CVE-2025-59959" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Optional-transitive-BGP-attribute-is-modified-before-propagation-to-peers-causing-sessions-to-flap-CVE-2025-60011" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-specific-IS-IS-update-packet-causes-memory-leak-leading-to-RPD-crash-CVE-2026-21909" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Unix-socket-used-to-control-the-jdhcpd-process-is-world-writable-CVE-2025-59961" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Use-after-free-vulnerability-In-802-1X-authentication-daemon-can-cause-crash-of-the-dot1xd-process-CVE-2026-21908" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-When-telemetry-collectors-are-frequently-subscribing-and-unsubscribing-to-sensors-chassisd-or-rpd-will-crash-CVE-2026-21921" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-A-specifically-crafted-show-chassis-command-causes-chassisd-to-crash-CVE-2025-60007" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-Evolved-A-Linux-kernel-vulnerability-in-the-HID-driver-allows-an-attacker-to-read-information-from-the-HID-Report-buffer-CVE-2024-50302" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-Evolved-Flapping-management-interface-causes-MAC-learning-on-label-switched-interfaces-to-stop-CVE-2026-21911" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-EX4000-A-high-volume-of-traffic-destinated-to-the-device-leads-to-a-crash-and-restart-CVE-2026-21913" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-EX4k-Series-QFX5k-Series-In-an-EVPN-VXLAN-configuration-link-flaps-cause-Inter-VNI-traffic-drop-CVE-2026-21910" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-MX10k-Series-show-system-firmware-CLI-command-may-lead-to-LC480-or-LC2101-line-card-reset-CVE-2026-21912" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-Receipt-of-a-specifically-malformed-ICMP-packet-causes-an-FPC-restart-CVE-2026-0203" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-and-MX-Series-When-TCP-packets-occur-in-a-specific-sequence-flowd-crashes-CVE-2026-21918" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-A-specifically-malformed-GTP-message-will-cause-an-FPC-crash-CVE-2026-21914" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-If-a-specific-request-is-processed-by-the-DNS-subsystem-flowd-will-crash-CVE-2026-21920" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-MX-Series-with-MX-SPC3-or-MS-MPC-Receipt-of-multiple-specific-SIP-messages-results-in-flow-management-process-crash-CVE-2026-21905" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-Specifically-malformed-SSL-packet-causes-FPC-crash-CVE-2026-21917" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-SRX-Series-With-GRE-performance-acceleration-enabled-receipt-of-a-specific-ICMP-packet-causes-the-PFE-to-crash-CVE-2026-21906" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-OS-Subscribing-to-telemetry-sensors-at-scale-causes-all-FPCs-to-crash-CVE-2026-21903" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Junos-Space-TLS-SSL-server-supports-use-of-static-key-ciphers-ssl-static-key-ciphers-CVE-2026-21907" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-01-Security-Bulletin-Paragon-Automation-A-clickjacking-vulnerability-in-the-web-server-configuration-has-been-addressed-CVE-2025-52987" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://supportportal.juniper.net/JSA106007" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://kb.juniper.net/JSA106007" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.1, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1111376", "CSAFPID-2535286", "CSAFPID-5019238", "CSAFPID-5019239", "CSAFPID-5429223", "CSAFPID-5429224", "CSAFPID-5435587", "CSAFPID-5435592", "CSAFPID-5435594", "CSAFPID-5435607", "CSAFPID-5435608", "CSAFPID-5435609", "CSAFPID-5435610", "CSAFPID-5435611", "CSAFPID-5435612", "CSAFPID-5435613", "CSAFPID-5443921", "CSAFPID-5443923", "CSAFPID-5457054", "CSAFPID-5457143", "CSAFPID-5460955", "CSAFPID-5460956", "CSAFPID-5460958", "CSAFPID-5460959", "CSAFPID-5460960", "CSAFPID-5460961", "CSAFPID-5460962", "CSAFPID-5460964", "CSAFPID-5460970", "CSAFPID-5460971", "CSAFPID-5460973", "CSAFPID-5460974", "CSAFPID-5460975", "CSAFPID-5460976", "CSAFPID-5460977", "CSAFPID-5460978", "CSAFPID-5460979", "CSAFPID-5460980", "CSAFPID-5460981", "CSAFPID-5460982", "CSAFPID-5460983", "CSAFPID-5460984", "CSAFPID-5460986", "CSAFPID-5460987", "CSAFPID-5460988", "CSAFPID-5460989", "CSAFPID-5460994", "CSAFPID-5461275", "CSAFPID-5461368", "CSAFPID-5461459", "CSAFPID-5461460", "CSAFPID-5461462", "CSAFPID-5461524", "CSAFPID-5461525", "CSAFPID-5461526", "CSAFPID-5461528", "CSAFPID-5461529", "CSAFPID-5461530", "CSAFPID-5461533", "CSAFPID-5461534", "CSAFPID-5461535", "CSAFPID-5461536", "CSAFPID-5461538", "CSAFPID-5461539", "CSAFPID-5461540" ] } ], "title": "CVE-2026-21908" } ] }