{"id":"CVE-2021-39879","aliases":["BIT-gitlab-2021-39879","EUVD-2021-26236","GHSA-32w9-cgpf-p2wf","UBUNTU-CVE-2021-39879"],"status":"published","title":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker...","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","severity":{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00412,"percentile":0.35829,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-306"],"published":"2021-10-04T16:42:11Z","modified":"2026-10-30T10:30:40Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["14.1.7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"7.11.0"},{"fixed":"14.1.7"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/338825","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39879.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39879","tags":["web"]},{"url":"https://github.com/advisories/GHSA-32w9-cgpf-p2wf"},{"url":"https://ubuntu.com/security/CVE-2021-39879","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39879","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39879","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2021-10-04T16:42:11Z","modified":"2024-08-04T02:20:33.644Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-26236","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2021-10-04T16:42:11Z","modified":"2024-08-04T02:20:33Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T03:24:22.263982Z"}],"ghsa":[{"id":"GHSA-32w9-cgpf-p2wf","title":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker...","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2022-05-24T19:16:28Z","modified":"2023-01-30T05:02:25Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:46:38.066268Z"}],"nvd":[{"id":"CVE-2021-39879","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2021-10-04T17:15:08.137Z","modified":"2026-06-17T04:04:21.023Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low","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-306"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"CVE-2021-39879","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2021-10-04T17:15:08.137Z","modified":"2026-10-30T10:30:40.11334782Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"UBUNTU-CVE-2021-39879","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2021-10-04T17:15:00Z","modified":"2025-10-24T04:50:33Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"},{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"BIT-gitlab-2021-39879","description":"Missing authentication in all versions of GitLab CE/EE since version 7.11.0 allows an attacker with access to a victim's session to disable two-factor authentication","status":"published","published":"2024-03-06T11:18:35.267Z","modified":"2026-09-10T16:01:32.926273548Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}