{
    "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-2026-21901",
        "tracking": {
            "current_release_date": "2026-07-13T05:27:45.516389Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-21901",
            "initial_release_date": "2026-07-05T16:29:04.465485Z",
            "revision_history": [
                {
                    "date": "2026-07-05T16:29:04.465485Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-07-08T18:42:46.765563Z",
                    "number": "2",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (6).| Product Remediations created (2).| Products connected (4).| Vendor_assessment created."
                },
                {
                    "date": "2026-07-08T18:42:50.183379Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-09T03:41:57.399913Z",
                    "number": "4",
                    "summary": "Source connected.| CVE status created. (valid)"
                },
                {
                    "date": "2026-07-09T11:09:16.427146Z",
                    "number": "5",
                    "summary": "Source connected.| CVE status created. (valid)| Products connected (6).| References created (26)."
                },
                {
                    "date": "2026-07-09T11:09:22.059939Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-09T21:26:04.000187Z",
                    "number": "7",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-07-09T21:26:14.816385Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-09T21:48:30.167334Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (7).| Products connected (1).| References created (2).| CWES updated (1)."
                },
                {
                    "date": "2026-07-09T21:48:36.673959Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-10T15:39:37.555814Z",
                    "number": "11",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-07-11T02:03:47.076279Z",
                    "number": "12",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-07-11T02:03:52.355343Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-13T05:27:18.432049Z",
                    "number": "14",
                    "summary": "Source connected.| CVE status created. (valid)"
                },
                {
                    "date": "2026-07-13T05:27:29.726134Z",
                    "number": "15",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "15"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/evolved",
                                "product": {
                                    "name": "vers:unknown/evolved",
                                    "product_id": "CSAFPID-1253029",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/o:juniper:junos:evolved"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "JUNOS"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-2669434",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/h:juniper:ex:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Juniper EX Series"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-1341541",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/o:juniper:junos:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Juniper JUNOS"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-2669431",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/h:juniper:mx:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Juniper MX Series"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-6016081",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/h:juniper:qfx:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Juniper QFX Series"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-2162264",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/h:juniper:srx_service_gateways:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Juniper SRX Series"
                    }
                ],
                "category": "vendor",
                "name": "Juniper"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/22.3r3-s5",
                                "product": {
                                    "name": "vers:unknown/22.3r3-s5",
                                    "product_id": "CSAFPID-8576222"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/22.3|<22.3r3-s5",
                                "product": {
                                    "name": "vers:unknown/22.3|<22.3r3-s5",
                                    "product_id": "CSAFPID-8596785"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/22.4r3-s10",
                                "product": {
                                    "name": "vers:unknown/22.4r3-s10",
                                    "product_id": "CSAFPID-8576223"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/22.4|<22.4r3-s10",
                                "product": {
                                    "name": "vers:unknown/22.4|<22.4r3-s10",
                                    "product_id": "CSAFPID-8596786"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.2r2-s7",
                                "product": {
                                    "name": "vers:unknown/23.2r2-s7",
                                    "product_id": "CSAFPID-6012899"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.2|<23.2r2-s7",
                                "product": {
                                    "name": "vers:unknown/23.2|<23.2r2-s7",
                                    "product_id": "CSAFPID-8596787"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.4r2-s8",
                                "product": {
                                    "name": "vers:unknown/23.4r2-s8",
                                    "product_id": "CSAFPID-8576167"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.4|<23.4r2-s8",
                                "product": {
                                    "name": "vers:unknown/23.4|<23.4r2-s8",
                                    "product_id": "CSAFPID-8596763"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/24.2r1",
                                "product": {
                                    "name": "vers:unknown/24.2r1",
                                    "product_id": "CSAFPID-2959811"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<22.3r1",
                                "product": {
                                    "name": "vers:unknown/<22.3r1",
                                    "product_id": "CSAFPID-8596788"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<22.3r3-s5|<22.4r3-s10|<23.2r2-s7|<23.4r2-s8",
                                "product": {
                                    "name": "vers:unknown/<22.3r3-s5|<22.4r3-s10|<23.2r2-s7|<23.4r2-s8",
                                    "product_id": "CSAFPID-8576220"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Junos OS"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.2r2-s7-evo",
                                "product": {
                                    "name": "vers:unknown/23.2r2-s7-evo",
                                    "product_id": "CSAFPID-8576224"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.2|<23.2r2-s7-evo",
                                "product": {
                                    "name": "vers:unknown/23.2|<23.2r2-s7-evo",
                                    "product_id": "CSAFPID-8596789"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.4r2-s8-evo",
                                "product": {
                                    "name": "vers:unknown/23.4r2-s8-evo",
                                    "product_id": "CSAFPID-8576225"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/23.4|<23.4r2-s8-evo",
                                "product": {
                                    "name": "vers:unknown/23.4|<23.4r2-s8-evo",
                                    "product_id": "CSAFPID-8596790"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/24.2r1-evo",
                                "product": {
                                    "name": "vers:unknown/24.2r1-evo",
                                    "product_id": "CSAFPID-2967554"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<22.3r1-evo",
                                "product": {
                                    "name": "vers:unknown/<22.3r1-evo",
                                    "product_id": "CSAFPID-8596791"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<23.2r2-s7-evo|<23.4r2-s8-evo",
                                "product": {
                                    "name": "vers:unknown/<23.2r2-s7-evo|<23.4r2-s8-evo",
                                    "product_id": "CSAFPID-8576221"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Junos OS Evolved"
                    }
                ],
                "category": "vendor",
                "name": "Juniper Networks"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-21901",
            "cwe": {
                "id": "CWE-476",
                "name": "NULL Pointer Dereference"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "A NULL Pointer Dereference vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service (DoS). A local high-privileged user configuring or deactivating a specific 'system services ssh' configuration parameter can exploit a null pointer dereference in one of the functions used by SSH. The function attempts to dereference a null pointer when accessing certain configuration data, resulting in an mgd process crash and restart. Continued execution of these configuration commands will create a sustained Denial of Service (DoS) condition.",
                    "title": "juniper - https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Configuration-of-a-specific-SSH-option-results-in-mgd-crash-CVE-2026-21901"
                },
                {
                    "category": "description",
                    "text": "A NULL Pointer Dereference vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service (DoS).\n\nA local high-privileged user configuring or deactivating a specific 'system services ssh' configuration parameter can exploit a null pointer dereference in one of the functions used by SSH. The function attempts to dereference a null pointer when accessing certain configuration data, resulting in an mgd process crash and restart. Continued execution of these configuration commands will create a sustained Denial of Service (DoS) condition.\n\nThis issue affects:\nJunos OS:\n\n\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S10;\n  *  from 23.2 before 23.2R2-S7;\n  *  from 23.4 before 23.4R2-S8.\n\n\n\n\nThis issue does not affect Junos OS before 22.3R1.\n\n\n\nJunos OS Evolved:\n  *  from 22.3R1-EVO before 23.2R2-S7-EVO;\n  *  from 23.4 before 23.4R2-S8-EVO.\n\n\nThis issue does not affect Junos OS Evolved before 22.3R1-EVO.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21901"
                },
                {
                    "category": "description",
                    "text": "A NULL Pointer Dereference vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service (DoS).\n\nA local high-privileged user configuring or deactivating a specific 'system services ssh' configuration parameter can exploit a null pointer dereference in one of the functions used by SSH. The function attempts to dereference a null pointer when accessing certain configuration data, resulting in an mgd process crash and restart. Continued execution of these configuration commands will create a sustained Denial of Service (DoS) condition.\n\nThis issue affects:\nJunos OS:\n\n\n  *  from 22.3 before 22.3R3-S5;\n  *  from 22.4 before 22.4R3-S10;\n  *  from 23.2 before 23.2R2-S7;\n  *  from 23.4 before 23.4R2-S8.\n\n\n\n\nThis issue does not affect Junos OS before 22.3R1.\n\n\n\nJunos OS Evolved:\n  *  from 22.3R1-EVO before 23.2R2-S7-EVO;\n  *  from 23.4 before 23.4R2-S8-EVO.\n\n\nThis issue does not affect Junos OS Evolved before 22.3R1-EVO.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21901.json"
                },
                {
                    "category": "other",
                    "text": "0.00166",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:D/RE:M/U:Green",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "6.7",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "6.0",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "Is related to a product by vendor Juniper, VENDOR FIX as product remediation category, Is related to CWE-476 (NULL Pointer Dereference), Is related to an uncommon product source",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "The value of the most recent CVSS (V3) score, The CVSS vector string contains AV:N (Attack Vector: Network), There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                },
                {
                    "category": "details",
                    "text": "Severity: 2\n",
                    "title": "Vendor assessment"
                }
            ],
            "product_status": {
                "fixed": [
                    "CSAFPID-2959811",
                    "CSAFPID-2967554",
                    "CSAFPID-6012899",
                    "CSAFPID-8576167",
                    "CSAFPID-8576222",
                    "CSAFPID-8576223",
                    "CSAFPID-8576224",
                    "CSAFPID-8576225"
                ],
                "known_affected": [
                    "CSAFPID-8576220",
                    "CSAFPID-8576221",
                    "CSAFPID-1253029",
                    "CSAFPID-1341541",
                    "CSAFPID-2162264",
                    "CSAFPID-2669431",
                    "CSAFPID-2669434",
                    "CSAFPID-6016081",
                    "CSAFPID-8596763",
                    "CSAFPID-8596785",
                    "CSAFPID-8596786",
                    "CSAFPID-8596787",
                    "CSAFPID-8596789",
                    "CSAFPID-8596790"
                ],
                "known_not_affected": [
                    "CSAFPID-8596788",
                    "CSAFPID-8596791"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - hkcert",
                    "url": "https://www.hkcert.org/security-bulletin/juniper-junos-os-multiple-vulnerabilities_20260709"
                },
                {
                    "category": "external",
                    "summary": "Source - juniper",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Configuration-of-a-specific-SSH-option-results-in-mgd-crash-CVE-2026-21901"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2257.json"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21901"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21901.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=20000"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0224"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2257.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2257"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/global-search/%40uri#q=Junos%20OS&sortCriteria=date%20descending&f-sf_articletype=Security%20Advisories&numberOfResults=50"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Configuration-of-a-specific-SSH-option-results-in-mgd-crash-CVE-2026-21901"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-EX-Series-QFX-Series-MX-Series-A-specific-show-l2-learning-command-causes-l2ald-crash-CVE-2026-57025"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specific-SNMPv3-request-results-in-memory-leak-and-eventual-snmpd-crash-CVE-2026-33799"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-When-a-specifically-malformed-BGP-route-update-is-received-RPD-crashes-CVE-2026-33801"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-A-port-which-has-been-inadvertently-exposed-can-be-reached-by-an-attacker-CVE-2026-33803"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-A-port-which-has-been-inadvertently-exposed-can-be-reached-by-an-attacker-CVE-2026-57028"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-PTX-Series-Receipt-of-repeated-ECMP-routing-updates-results-in-PFE-crash-CVE-2026-33794"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-QFX-Series-When-sFlow-collector-reachability-changes-evo-pfemand-process-can-crash-CVE-2026-57029"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-Evolved-URL-handling-vulnerability-in-libfetch-results-in-heap-buffer-overflow-CVE-2020-7450"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX4100-Series-EX4400-With-sFlow-configured-in-a-VC-scenario-multicast-traffic-leads-to-an-FPC-crash-CVE-2026-57027"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX-Series-Subscribing-to-an-unsupported-telemetry-sensor-path-causes-fxpc-process-crash-CVE-2026-57032"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-EX-Series-Unauthorized-users-can-execute-service-impacting-CLI-command-CVE-2026-33802"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-For-subscribers-configured-on-static-interfaces-input-filters-are-not-in-effect-CVE-2026-57031"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-In-a-VC-scenario-a-high-rate-of-micro-BFD-session-flaps-will-cause-an-FPC-crash-CVE-2026-33800"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-Specific-traffic-causes-an-FPC-to-reset-CVE-2026-57019"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-Web-filtering-doesn-t-block-specifically-formatted-URLs-CVE-2026-57054"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-A-specifically-malformed-TCP-packet-causes-a-flowd-crash-CVE-2026-57023"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Processing-of-a-specifically-malformed-SIP-invite-causes-a-flowd-crash-CVE-2026-57026"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-Series-with-SPC3-SRX-Series-Specific-packet-in-response-to-a-TCP-connection-establishment-by-the-affected-device-can-crash-the-PFE-CVE-2026-57022"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-MX-with-SPC3-SRX-Series-Repeated-VPN-negotiation-failures-will-eventually-cause-iked-to-crash-continuously-CVE-2026-57024"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-QFX10000-Series-IPv6-multicast-traffic-received-on-non-IRB-interfaces-causes-a-multicast-flood-CVE-2026-57020"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-SRX-Series-Flow-sessions-are-not-getting-cleared-leading-to-a-DoS-CVE-2026-57030"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://supportportal.juniper.net/s/article/2026-07-Security-Bulletin-Junos-OS-SRX-Series-If-VPN-compliance-check-is-configured-an-attacker-can-cause-http-gk-process-crash-CVE-2026-57021"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-g4f7-w2rc-hpj6"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://supportportal.juniper.net/JSA110072"
                }
            ],
            "remediations": [
                {
                    "category": "vendor_fix",
                    "details": "Update to Junos OS versions 22.3R3-S5, 22.4R3-S10, 23.2R2-S7, 23.4R2-S8, 24.2R1, or any subsequent releases.",
                    "product_ids": [
                        "CSAFPID-8576220"
                    ]
                },
                {
                    "category": "vendor_fix",
                    "details": "Update to Junos OS Evolved versions 23.2R2-S7-EVO, 23.4R2-S8-EVO, 24.2R1-EVO, or any subsequent releases.",
                    "product_ids": [
                        "CSAFPID-8576221"
                    ]
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
                        "baseScore": 4.4,
                        "baseSeverity": "MEDIUM"
                    },
                    "products": [
                        "CSAFPID-1253029",
                        "CSAFPID-1341541",
                        "CSAFPID-2162264",
                        "CSAFPID-2669431",
                        "CSAFPID-2669434",
                        "CSAFPID-6016081",
                        "CSAFPID-8576220",
                        "CSAFPID-8576221",
                        "CSAFPID-8596763",
                        "CSAFPID-8596785",
                        "CSAFPID-8596786",
                        "CSAFPID-8596787",
                        "CSAFPID-8596789",
                        "CSAFPID-8596790"
                    ]
                }
            ],
            "title": "CVE-2026-21901"
        }
    ]
}