{"id":"CVE-2021-22515","aliases":["EUVD-2021-9657","GHSA-8hm3-6v9w-j99h"],"status":"published","title":"Multi-Factor Authentication (MFA) downgrade exposure in NetIQ Advanced Authentication Server","description":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00685,"percentile":0.53078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-07-12T10:04:15Z","modified":"2026-06-17T03:37:21Z","products":[{"vendor":"micro focus","product":"netiq advanced authentication"},{"vendor":"microfocus","product":"netiq_advanced_authentication"}],"references":[{"url":"https://www.netiq.com/documentation/advanced-authentication-63/advanced-authentication-releasenotes-6341/data/advanced-authentication-releasenotes-6341.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22515"},{"url":"https://github.com/advisories/GHSA-8hm3-6v9w-j99h"}],"sources":{"cve":[{"id":"CVE-2021-22515","title":"Multi-Factor Authentication (MFA) downgrade exposure in NetIQ Advanced Authentication Server","description":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.","status":"published","published":"2021-07-12T10:04:15.162Z","modified":"2024-09-17T02:36:27.218Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9657","description":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.","status":"published","published":"2021-07-12T10:04:15Z","modified":"2024-09-17T02:36:27Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:39.162217Z"}],"ghsa":[{"id":"GHSA-8hm3-6v9w-j99h","title":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single...","description":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.","status":"published","published":"2022-05-24T19:07:32Z","modified":"2023-01-30T05:00:41Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:46:15.397604Z"}],"nvd":[{"id":"CVE-2021-22515","description":"Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.","status":"published","published":"2021-07-12T11:15:07.713Z","modified":"2026-06-17T03:37:21.89Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}