{"id":"CVE-2025-25253","aliases":["EUVD-2025-34241","GHSA-9gmg-hfch-x94j"],"status":"published","title":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy...","description":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00114,"percentile":0.01456,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-297"],"published":"2025-10-14T15:22:56Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"fortinet","product":"fortios"},{"vendor":"fortinet","product":"fortipam"},{"vendor":"fortinet","product":"fortiproxy"},{"vendor":"siemens","product":"ruggedcom ape1808"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-24-457","tags":["Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-864900.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25253"},{"url":"https://github.com/advisories/GHSA-9gmg-hfch-x94j"}],"sources":{"cve":[{"id":"CVE-2025-25253","description":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy","status":"published","published":"2025-10-14T15:22:56.37Z","modified":"2026-10-15T01:05:51.364Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"medium","assessor":"cna"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:32:31.971896Z"}],"euvd":[{"id":"EUVD-2025-34241","description":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy","status":"published","published":"2025-10-14T15:22:56Z","modified":"2026-10-15T01:05:51Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"medium"}],"updated_at":"2026-11-02T17:27:07.544788Z"}],"ghsa":[{"id":"GHSA-9gmg-hfch-x94j","title":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy...","description":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy","status":"published","published":"2025-10-14T18:30:27Z","modified":"2026-06-09T12:31:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T15:08:40.238392Z"}],"nvd":[{"id":"CVE-2025-25253","description":"An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy","status":"published","published":"2025-10-14T16:15:36.85Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:11:36.851295Z"}]}}