{"id":"CVE-2021-43136","aliases":["EUVD-2021-30085","GHSA-r5fr-w3hg-pg7p"],"status":"published","title":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the...","description":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.15725,"percentile":0.96888,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287","CWE-798"],"published":"2021-11-10T11:09:18Z","modified":"2026-06-17T04:10:32Z","exploits":[{"source":"exploitdb","id":"EDB-50513","title":"FormaLMS 2.4.4 - Authentication Bypass","type":"webapps","platform":"multiple","date":"2021-11-11","url":"https://www.exploit-db.com/exploits/50513"}],"products":[{"vendor":"formalms","product":"formalms"}],"references":[{"url":"https://blog.hacktivesecurity.com","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://formalms.org","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/164930/FormaLMS-2.4.4-Authentication-Bypass.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43136"},{"url":"https://github.com/advisories/GHSA-r5fr-w3hg-pg7p"}],"sources":{"cve":[{"id":"CVE-2021-43136","description":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.","status":"published","published":"2021-11-10T11:09:18Z","modified":"2024-08-04T03:47:13.599Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30085","description":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.","status":"published","published":"2021-11-10T11:09:18Z","modified":"2024-08-04T03:47:13Z","updated_at":"2026-11-03T03:24:14.796505Z"}],"ghsa":[{"id":"GHSA-r5fr-w3hg-pg7p","title":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the...","description":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.","status":"published","published":"2022-05-24T19:20:19Z","modified":"2023-01-27T05:03:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:42:20.442744Z"}],"nvd":[{"id":"CVE-2021-43136","description":"An authentication bypass issue in FormaLMS \u003c= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.","status":"published","published":"2021-11-10T12:15:16.943Z","modified":"2026-06-17T04:10:32.53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}