{"id":"CVE-2021-45890","aliases":["EUVD-2021-32606","GHSA-fmc3-vh2f-557h"],"status":"published","title":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive...","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","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":"2026-11-09","score":0.01803,"percentile":0.78687,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-12-27T19:34:36Z","modified":"2026-10-20T14:30:23Z","products":[{"vendor":"authguard_project","product":"authguard"}],"references":[{"url":"https://github.com/AuthGuard/AuthGuard/commit/9783b1143da6576028de23e15a1f198b1f937b82","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/AuthGuard/AuthGuard/compare/v0.8.0...v0.9.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/AuthGuard/AuthGuard/issues/166","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/AuthGuard/AuthGuard/pull/181","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45890"},{"url":"https://github.com/advisories/GHSA-fmc3-vh2f-557h"}],"sources":{"cve":[{"id":"CVE-2021-45890","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","status":"published","published":"2021-12-27T19:34:36Z","modified":"2024-08-04T04:54:30.98Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32606","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","status":"published","published":"2021-12-27T19:34:36Z","modified":"2024-08-04T04:54:30Z","updated_at":"2026-11-03T03:08:25.77408Z"}],"ghsa":[{"id":"GHSA-fmc3-vh2f-557h","title":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive...","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","status":"published","published":"2021-12-28T00:00:24Z","modified":"2023-02-03T05:03:36Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:53:23.175393Z"}],"nvd":[{"id":"CVE-2021-45890","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","status":"published","published":"2021-12-27T20:15:07.48Z","modified":"2026-06-17T04:14:12.12Z","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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:02.977492Z"}],"osv":[{"id":"CVE-2021-45890","description":"basic/BasicAuthProvider.java in AuthGuard before 0.9.0 allows authentication via an inactive identifier.","status":"published","published":"2021-12-27T20:15:07.48Z","modified":"2026-10-20T14:30:23.764264155Z","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"}],"updated_at":"2026-11-02T15:44:22.18434Z"}]}}