{"id":"CVE-2021-39937","details":"A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances","aliases":["BIT-gitlab-2021-39937"],"modified":"2026-08-27T19:34:07.174321Z","published":"2021-12-13T16:15:09.507Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/336802"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"0"},{"fixed":"057790c613dea428aa523357c333ced5433794ee"},{"introduced":"19c719febd74b6edf549bf6a2c0e36bf8f176d56"},{"fixed":"a1175384df48e74899d664520601823016d81084"},{"introduced":"490a8efda84a04e31ac41b882d95bb717c202437"},{"fixed":"4511944420f00a68d5df2b3d81e5dae7fa2888f3"}],"database_specific":{"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"0"},{"fixed":"14.3.6"},{"introduced":"14.4.0"},{"fixed":"14.4.4"},{"introduced":"14.5.0"},{"fixed":"14.5.2"}],"source":"CPE_RANGE"}}],"versions":["v14.5.1-ee","v14.4.3-ee","v14.3.5-ee","v14.3.2-ee","v14.5.0-ee","v14.4.2-ee","v14.4.0-ee","v14.3.3-ee","v14.3.0-ee","v14.3.0-rc42-ee","11-10-0cfa69752d8-74ffd66ae-ee","11-10-0cfa69752d8-0d9531c80-ee","11-10-119f9509d50-6d7537235-ee","v7.3.0-ee","v7.3.0.rc1-ee","v7.2.0.rc5-ee","v7.2.0.rc4-ee","v7.2.0.rc3-ee","v7.2.0.rc2-ee","v7.2.0.rc1-ee","v7.1.0-ee","v7.1.0.rc1-ee","v7.0.0-ee","v6.8.0-ee","v6.7.0-ee","v6.7.0.rc1-ee","v6.6.0-ee","v6.5.0-ee","v6.4.0-ee","v6.3.1-ee","v6.3.0-ee","v6.1.0-ee","v6.0.0-ee","v6.0.0-ee.rc1","v6.0.0-ee.beta","v5.2.0","v5.1.0","v5.0.0","v4.0.0","v4.0.0rc2","v4.0.0rc1","v3.1.0","v3.0.3","v3.0.2","v3.0.1","v3.0.0","v2.9.1","v2.9.0","v2.8.2","v2.8.1","v2.8.0","v2.8.0pre","v2.7.0","v2.7.0pre","v2.6.3","v2.6.2","v2.6.1","v2.6.0","v2.6.0pre","v2.5.0","v2.4.1","v2.4.0","v2.4.0pre","v2.3.1","v2.3.0","v2.3.0pre","v1.2.2","v1.2.1","v1.2.0","v1.2.0pre"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39937.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}