{"id":"CVE-2023-26209","aliases":["EUVD-2023-30034","GHSA-f96f-6pqr-vx9w"],"status":"published","title":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet...","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows  a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:X","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01748,"percentile":0.78026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-307"],"published":"2023-03-09T14:55:17Z","modified":"2026-06-17T05:42:49Z","exploits":[{"source":"pocgithub","id":"chessredoffsec/CVE-2023-26209","title":"chessredoffsec/CVE-2023-26209","date":"2025-03-28","url":"https://github.com/chessredoffsec/CVE-2023-26209"}],"products":[{"vendor":"fortinet","product":"fortideceptor"}],"references":[{"url":"https://fortiguard.com/psirt/FG-IR-20-078","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26209"},{"url":"https://github.com/advisories/GHSA-f96f-6pqr-vx9w"}],"sources":{"cve":[{"id":"CVE-2023-26209","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows  a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","status":"published","published":"2023-03-09T14:55:17.873Z","modified":"2024-10-22T20:47:45.87Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:X","level":"low","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:35:15.434947Z"}],"euvd":[{"id":"EUVD-2023-30034","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows  a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","status":"published","published":"2023-03-09T14:55:17Z","modified":"2024-10-22T20:47:45Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:X","level":"low"}],"updated_at":"2026-11-03T00:05:21.823373Z"}],"ghsa":[{"id":"GHSA-f96f-6pqr-vx9w","title":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet...","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","status":"published","published":"2023-03-09T15:30:49Z","modified":"2023-03-23T05:05:00Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:54:23.065737Z"}],"nvd":[{"id":"CVE-2023-26209","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows  a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","status":"published","published":"2023-03-09T15:15:09.72Z","modified":"2026-06-17T05:42:49.707Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:07:48.342507Z"}]}}