{"id":"CVE-2021-39890","details":"It was possible to bypass 2FA for LDAP users and access some specific pages with Basic Authentication in GitLab 14.1.1 and above.","aliases":["BIT-gitlab-2021-39890"],"modified":"2026-08-27T18:53:39.253557Z","published":"2021-12-06T18:15:08.127Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/341522"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"f331f93268868917eeb6f425360e2b94cc5037ed"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"last_affected":"0816e4664224c86a9c3868127ad890d7cf0526c6"}],"database_specific":{"extracted_events":[{"introduced":"14.1.1"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.3.0"},{"last_affected":"14.3.0"},{"introduced":"14.3.1"},{"last_affected":"14.3.1"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:enterprise:*:*:*","cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:enterprise:*:*:*"]}}],"versions":["14.3.0","14.3.1","v14.1.6-ee","v14.2.4-ee","v14.3.1-ee","v14.3.0-ee","v14.1.5-ee","v14.2.3-ee","v14.1.3-ee","v14.2.1-ee","v14.2.0-ee","v14.1.1-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39890.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}