{"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":"2026-04-10T04:22:12.411974Z","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":"c5ab21eda575676ffc46b85cab3456473c0357c6"},{"fixed":"a83f3b1c8cee724f394fbf0c6872928e4f8e882b"},{"introduced":"58d798bed6228196b580ae8def5d5080e5a56c73"},{"fixed":"80b99e43cfcf09b3aa07546c2c3400628ad825a3"},{"introduced":"58d798bed6228196b580ae8def5d5080e5a56c73"},{"fixed":"80b99e43cfcf09b3aa07546c2c3400628ad825a3"},{"introduced":"0"},{"last_affected":"ef3e35341f6a930af2d57979999b71457b9f72a4"},{"introduced":"0"},{"last_affected":"ef3e35341f6a930af2d57979999b71457b9f72a4"}],"database_specific":{"versions":[{"introduced":"12.3.0"},{"fixed":"12.9.8"},{"introduced":"12.3.0"},{"fixed":"12.9.8"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"0"},{"last_affected":"13.0.0"},{"introduced":"0"},{"last_affected":"13.0.0"}]}}],"versions":["11-10-0cfa69752d8-0d9531c80-ee","11-10-0cfa69752d8-74ffd66ae-ee","11-10-119f9509d50-6d7537235-ee","v1.2.0","v1.2.0pre","v1.2.1","v1.2.2","v12.10.0-ee","v12.10.1-ee","v12.10.3-ee","v12.10.4-ee","v12.10.5-ee","v12.10.6-ee","v12.9.0-ee","v12.9.0-rc42-ee","v12.9.2-ee","v12.9.4-ee","v12.9.6-ee","v12.9.7-ee","v13.0.0-ee","v13.0.0-rc42-ee","v2.3.0","v2.3.0pre","v2.3.1","v2.4.0","v2.4.0pre","v2.4.1","v2.5.0","v2.6.0","v2.6.0pre","v2.6.1","v2.6.2","v2.6.3","v2.7.0","v2.7.0pre","v2.8.0","v2.8.0pre","v2.8.1","v2.8.2","v2.9.0","v2.9.1","v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.1.0","v4.0.0","v4.0.0rc1","v4.0.0rc2","v5.0.0","v5.1.0","v5.2.0","v6.0.0-ee","v6.0.0-ee.beta","v6.0.0-ee.rc1","v6.1.0-ee","v6.3.0-ee","v6.3.1-ee","v6.4.0-ee","v6.5.0-ee","v6.6.0-ee","v6.7.0-ee","v6.7.0.rc1-ee","v6.8.0-ee","v7.0.0-ee","v7.1.0-ee","v7.1.0.rc1-ee","v7.2.0.rc1-ee","v7.2.0.rc2-ee","v7.2.0.rc3-ee","v7.2.0.rc4-ee","v7.2.0.rc5-ee","v7.3.0-ee","v7.3.0.rc1-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13272.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}