{"id":"CVE-2020-13272","details":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","aliases":["BIT-gitlab-2020-13272"],"modified":"2026-08-27T19:00:16.443804Z","published":"2020-06-19T22:15:12.773Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13272.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/37038"},{"type":"REPORT","url":"https://hackerone.com/reports/743556"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"c5ab21eda575676ffc46b85cab3456473c0357c6"},{"fixed":"a83f3b1c8cee724f394fbf0c6872928e4f8e882b"},{"introduced":"58d798bed6228196b580ae8def5d5080e5a56c73"},{"fixed":"80b99e43cfcf09b3aa07546c2c3400628ad825a3"},{"introduced":"ef3e35341f6a930af2d57979999b71457b9f72a4"},{"last_affected":"ef3e35341f6a930af2d57979999b71457b9f72a4"}],"database_specific":{"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:13.0.0:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"12.3.0"},{"fixed":"12.9.8"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"13.0.0"},{"last_affected":"13.0.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["13.0.0","v13.0.0-ee","v12.10.6-ee","v12.10.4-ee","v12.10.5-ee","v12.10.3-ee","v12.10.1-ee","v12.10.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13272.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"}]}