{"id":"CVE-2021-22131","aliases":["EUVD-2021-9287","GHSA-q9f5-mqv7-56mh"],"status":"published","title":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0...","description":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/RL:X/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00141,"percentile":0.03511,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2022-07-18T16:35:56Z","modified":"2026-06-17T03:36:40Z","products":[{"vendor":"fortinet","product":"fortinet fortitokenandroid, fortinet fortitokenios, fortinet fortitokenwinapp"},{"vendor":"fortinet","product":"fortitoken_mobile"}],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-024","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22131"},{"url":"https://github.com/advisories/GHSA-q9f5-mqv7-56mh"}],"sources":{"cve":[{"id":"CVE-2021-22131","description":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.","status":"published","published":"2022-07-18T16:35:56Z","modified":"2024-10-22T20:56:26.493Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/RL:X/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9287","description":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.","status":"published","published":"2022-07-18T16:35:56Z","modified":"2024-10-22T20:56:26Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/RL:X/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:05:21.823373Z"}],"ghsa":[{"id":"GHSA-q9f5-mqv7-56mh","title":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0...","description":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.","status":"published","published":"2022-07-19T00:00:25Z","modified":"2023-01-27T05:06:07Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:42:50.418716Z"}],"nvd":[{"id":"CVE-2021-22131","description":"A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.","status":"published","published":"2022-07-18T18:15:08.62Z","modified":"2026-06-17T03:36:40.257Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}