{ "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-2026-103401", "tracking": { "current_release_date": "2026-10-30T13:17:21.560533Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-103401", "initial_release_date": "2026-10-28T17:35:49.500653Z", "revision_history": [ { "date": "2026-10-28T17:35:49.500653Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-10-28T17:35:55.608794Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-10-28T17:50:31.476882Z", "number": "3", "summary": "CVSS created.| CWES created (1).| Products created (6).| References created (1).| Description created for source.| Unknown change." }, { "date": "2026-10-28T17:50:33.761891Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-10-28T18:39:43.997566Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (4).| Product Remediations created (2).| Vendor_assessment created." }, { "date": "2026-10-28T18:39:48.802541Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-10-29T14:15:43.123238Z", "number": "7", "summary": "Source connected.| CVE status created. (valid)| Products connected (3).| References created (3)." }, { "date": "2026-10-29T14:15:47.798053Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-10-30T08:47:34.477279Z", "number": "9", "summary": "EPSS created.| Unknown change." }, { "date": "2026-10-30T08:47:40.755906Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-10-30T13:16:36.112678Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-10-30T13:16:40.156570Z", "number": "12", "summary": "NCSC Score updated." } ], "status": "interim", "version": "12" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/7.1.0|<7.1.7", "product": { "name": "vers:unknown/7.1.0|<7.1.7", "product_id": "CSAFPID-9910785" } }, { "category": "product_version_range", "name": "vers:unknown/7.2.0|<7.2.3", "product": { "name": "vers:unknown/7.2.0|<7.2.3", "product_id": "CSAFPID-9910786" } }, { "category": "product_version_range", "name": "vers:unknown/<7.0.5", "product": { "name": "vers:unknown/<7.0.5", "product_id": "CSAFPID-9910787" } }, { "category": "product_version_range", "name": "vers:unknown/<7.0.5|<7.1.7|<7.2.3", "product": { "name": "vers:unknown/<7.0.5|<7.1.7|<7.2.3", "product_id": "CSAFPID-9910989" } }, { "category": "product_version_range", "name": "vers:unknown/>=7.0.5|>=7.1.7|>=7.2.3", "product": { "name": "vers:unknown/>=7.0.5|>=7.1.7|>=7.2.3", "product_id": "CSAFPID-9910991" } } ], "category": "product_name", "name": "Session Smart Conductor" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/7.1.0|<7.1.7", "product": { "name": "vers:unknown/7.1.0|<7.1.7", "product_id": "CSAFPID-9910788" } }, { "category": "product_version_range", "name": "vers:unknown/7.2.0|<7.2.3", "product": { "name": "vers:unknown/7.2.0|<7.2.3", "product_id": "CSAFPID-9910789" } }, { "category": "product_version_range", "name": "vers:unknown/<7.0.5", "product": { "name": "vers:unknown/<7.0.5", "product_id": "CSAFPID-9910790" } }, { "category": "product_version_range", "name": "vers:unknown/<7.0.5|<7.1.7|<7.2.3", "product": { "name": "vers:unknown/<7.0.5|<7.1.7|<7.2.3", "product_id": "CSAFPID-9910988" } }, { "category": "product_version_range", "name": "vers:unknown/>=7.0.5|>=7.1.7|>=7.2.3", "product": { "name": "vers:unknown/>=7.0.5|>=7.1.7|>=7.2.3", "product_id": "CSAFPID-9910990" } } ], "category": "product_name", "name": "Session Smart Router" } ], "category": "vendor", "name": "Juniper Networks" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<7.0.5", "product": { "name": "vers:unknown/<7.0.5", "product_id": "CSAFPID-9921489" } }, { "category": "product_version_range", "name": "vers:unknown/<7.1.7", "product": { "name": "vers:unknown/<7.1.7", "product_id": "CSAFPID-9921490" } }, { "category": "product_version_range", "name": "vers:unknown/<7.2.3", "product": { "name": "vers:unknown/<7.2.3", "product_id": "CSAFPID-9921491" } } ], "category": "product_name", "name": "Session Smart Router" } ], "category": "vendor", "name": "Juniper" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-103401", "cwe": { "id": "CWE-59", "name": "Improper Link Resolution Before File Access ('Link Following')" }, "notes": [ { "category": "description", "text": "An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints.\n\nThis vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-103401" }, { "category": "description", "text": "An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints.\n\nThis vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-103401" }, { "category": "description", "text": "Session Smart Router and Session Smart Conductor: An attacker can overwrite arbitrary files as root", "title": "juniper - https://supportportal.juniper.net/s/article/2026-10-On-Demand-Security-Bulletin-Session-Smart-Router-and-Session-Smart-Conductor-Multiple-internally-discovered-vulnerabilities-resolved" }, { "category": "other", "text": "0.00344", "title": "EPSS" }, { "category": "other", "text": "6.2", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, Is related to an uncommon product source, Is related to a product by vendor Juniper, VENDOR FIX as product remediation category", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The CVSS vector string contains AV:N (Attack Vector: Network), There is cwe data available from source Nvd, The CVSS vector string contains A:H (Availability Impact: High)", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 4\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-9910990", "CSAFPID-9910991" ], "known_affected": [ "CSAFPID-9910785", "CSAFPID-9910786", "CSAFPID-9910787", "CSAFPID-9910788", "CSAFPID-9910789", "CSAFPID-9910790", "CSAFPID-9910988", "CSAFPID-9910989", "CSAFPID-9921489", "CSAFPID-9921490", "CSAFPID-9921491" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103401" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-103401" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-103401" }, { "category": "external", "summary": "Source - juniper", "url": "https://supportportal.juniper.net/s/article/2026-10-On-Demand-Security-Bulletin-Session-Smart-Router-and-Session-Smart-Conductor-Multiple-internally-discovered-vulnerabilities-resolved" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4234.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0462" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://supportportal.juniper.net/JSA112183" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4234.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4234" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://supportportal.juniper.net/s/article/2026-10-On-Demand-Security-Bulletin-Session-Smart-Router-and-Session-Smart-Conductor-Multiple-internally-discovered-vulnerabilities-resolved" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to version 7.0.5, 7.1.7, 7.2.3, or later.", "product_ids": [ "CSAFPID-9910988", "CSAFPID-9910989" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-9910785", "CSAFPID-9910786", "CSAFPID-9910787", "CSAFPID-9910788", "CSAFPID-9910789", "CSAFPID-9910790", "CSAFPID-9910988", "CSAFPID-9910989", "CSAFPID-9921489", "CSAFPID-9921490", "CSAFPID-9921491" ] } ], "title": "CVE-2026-103401" } ] }