{"id":"CVE-2021-22231","aliases":["BIT-gitlab-2021-22231","EUVD-2021-9377","GHSA-9mfx-3c98-hm2f","UBUNTU-CVE-2021-22231"],"status":"published","title":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows...","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00998,"percentile":0.63212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-07-07T10:28:23Z","modified":"2026-10-30T10:30:48Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.11.6","13.12.6","14.0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"13.11.6"},{"introduced":"13.12.0"},{"fixed":"13.12.6"},{"introduced":"14.0.0"},{"fixed":"14.0.2"}]}]},{"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/26295","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/475098","tags":["x_refsource_MISC","x_transferred","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22231.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22231","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9mfx-3c98-hm2f"},{"url":"https://ubuntu.com/security/CVE-2021-22231","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22231","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-22231","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2021-07-07T10:28:23Z","modified":"2024-08-03T18:37:18.497Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-9377","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2021-07-07T10:28:23Z","modified":"2024-08-03T18:37:18Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T03:25:03.183524Z"}],"ghsa":[{"id":"GHSA-9mfx-3c98-hm2f","title":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows...","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2022-05-24T19:07:08Z","modified":"2023-01-30T05:00:38Z","updated_at":"2026-11-02T14:46:14.926249Z"}],"nvd":[{"id":"CVE-2021-22231","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2021-07-07T11:15:08.54Z","modified":"2026-06-17T03:36:51.113Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-22231","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2021-07-07T11:15:08.54Z","modified":"2026-10-30T10:30:48.593316455Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"UBUNTU-CVE-2021-22231","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2021-07-07T11:15:00Z","modified":"2025-10-24T04:50:07Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:54:26.29421Z"},{"id":"BIT-gitlab-2021-22231","description":"A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.","status":"published","published":"2024-03-06T11:19:32.985Z","modified":"2026-09-08T08:48:23.103155617Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}