{"id":"CVE-2021-22253","aliases":["BIT-gitlab-2021-22253","EUVD-2021-9399","GHSA-q297-5xx3-gw53","UBUNTU-CVE-2021-22253"],"status":"published","title":"Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who...","description":"Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00987,"percentile":0.62736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-08-23T19:34:47Z","modified":"2026-10-30T10:30:37Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.12.9","14.0.7","14.1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"13.4.0"},{"fixed":"13.12.9"},{"introduced":"14.0.0"},{"fixed":"14.0.7"},{"introduced":"14.1.0"},{"fixed":"14.1.2"}]}]},{"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/323794","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/1113783","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22253.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22253","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q297-5xx3-gw53"},{"url":"https://ubuntu.com/security/CVE-2021-22253","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22253","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-22253","description":"Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been 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removed","status":"published","published":"2021-08-23T20:15:13.257Z","modified":"2026-06-17T03:36:53.49Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:57.318236Z"}],"osv":[{"id":"CVE-2021-22253","description":"Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed","status":"published","published":"2021-08-23T20:15:13.257Z","modified":"2026-10-30T10:30:37.333612028Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"UBUNTU-CVE-2021-22253","description":"Improper authorization in GitLab EE affecting all versions since 13.4 allowed a user who previously had the necessary access to trigger deployments to protected environments under specific conditions after the access has been removed","status":"published","published":"2021-08-23T20:15:00Z","modified":"2025-10-24T04:50:07Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:26.29421Z"},{"id":"BIT-gitlab-2021-22253","description":"Improper authorization in GitLab EE affecting all versions 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