{"id":"CVE-2021-39903","aliases":["BIT-gitlab-2021-39903","EUVD-2021-26259","GHSA-p967-h43j-8p83","UBUNTU-CVE-2021-39903"],"status":"published","title":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can...","description":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0141,"percentile":0.73008,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-11-04T22:42:01Z","modified":"2026-10-30T10:30:50Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["14.2.6","14.3.4","14.4.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"13.0.0"},{"fixed":"14.2.6"},{"introduced":"14.3.0"},{"fixed":"14.3.4"},{"introduced":"14.4.0"},{"fixed":"14.4.1"}]}]},{"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/300017","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/1086781","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39903","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p967-h43j-8p83"},{"url":"https://ubuntu.com/security/CVE-2021-39903","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39903","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39903","description":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in 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all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.","status":"published","published":"2022-05-24T19:19:54Z","modified":"2023-01-27T05:04:02Z","cvss":[{"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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:22.530177Z"}],"nvd":[{"id":"CVE-2021-39903","description":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.","status":"published","published":"2021-11-04T23:15:10Z","modified":"2026-06-17T04:04:23.71Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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"}],"updated_at":"2026-11-02T14:07:00.549994Z"}],"osv":[{"id":"CVE-2021-39903","description":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in 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CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.","status":"published","published":"2024-03-06T11:18:05.066Z","modified":"2026-09-10T16:01:18.98054326Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}