{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-6840","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2023-12-15T12:02:46.848Z","datePublished":"2024-02-07T22:02:20.934Z","dateUpdated":"2026-04-24T04:07:19.586Z"},"containers":{"cna":{"title":"Missing Authorization in GitLab","descriptions":[{"lang":"en","value":"An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR."}],"affected":[{"vendor":"GitLab","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"versions":[{"version":"16.4","status":"affected","lessThan":"16.6.7","versionType":"semver"},{"version":"16.7","status":"affected","lessThan":"16.7.5","versionType":"semver"},{"version":"16.8","status":"affected","lessThan":"16.8.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-862: Missing Authorization","cweId":"CWE-862","type":"CWE"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/435500","name":"GitLab Issue #435500","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/2280292","name":"HackerOne Bug Bounty Report #2280292","tags":["technical-description","exploit","permissions-required"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM"}}],"solutions":[{"lang":"en","value":"Upgrade to versions 16.8.2, 16.7.5, 16.6.7 or above."}],"credits":[{"lang":"en","value":"Thanks [js_noob](https://hackerone.com/js_noob) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2026-04-24T04:07:19.586Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-12-18T17:54:46.828519Z","id":"CVE-2023-6840","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-12-18T17:55:10.272Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:42:08.148Z"},"title":"CVE Program Container","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/435500","name":"GitLab Issue #435500","tags":["issue-tracking","x_transferred"]},{"url":"https://hackerone.com/reports/2280292","name":"HackerOne Bug Bounty Report #2280292","tags":["technical-description","exploit","x_transferred"]}]}]}}