{"id":"CVE-2021-36190","aliases":["EUVD-2021-22811","GHSA-4662-9qvh-xxm7"],"status":"published","title":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and...","description":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00833,"percentile":0.58081,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-610"],"published":"2021-12-08T13:11:05Z","modified":"2026-06-17T03:58:29Z","products":[{"vendor":"fortinet","product":"fortinet fortiweb"},{"vendor":"fortinet","product":"fortiweb"}],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-21-123","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36190"},{"url":"https://github.com/advisories/GHSA-4662-9qvh-xxm7"}],"sources":{"cve":[{"id":"CVE-2021-36190","description":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.","status":"published","published":"2021-12-08T13:11:05Z","modified":"2024-10-25T13:39:43.483Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-22811","description":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.","status":"published","published":"2021-12-08T13:11:05Z","modified":"2024-10-25T13:39:43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:05:19.027476Z"}],"ghsa":[{"id":"GHSA-4662-9qvh-xxm7","title":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and...","description":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.","status":"published","published":"2021-12-09T00:00:58Z","modified":"2023-08-08T15:31:25Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-610"],"updated_at":"2026-11-02T14:54:44.111289Z"}],"nvd":[{"id":"CVE-2021-36190","description":"A unintended proxy or intermediary ('confused deputy') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows an unauthenticated attacker to access protected hosts via crafted HTTP requests.","status":"published","published":"2021-12-08T14:15:09.527Z","modified":"2026-06-17T03:58:29.71Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}