{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-3900","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2023-07-25T10:30:28.129Z","datePublished":"2023-08-02T00:07:05.231Z","dateUpdated":"2025-11-20T04:08:08.254Z"},"containers":{"cna":{"title":"Improper Validation of Specified Type of Input in GitLab","descriptions":[{"lang":"en","value":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load."}],"affected":[{"vendor":"GitLab","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"versions":[{"version":"16.1","status":"affected","lessThan":"16.1.3","versionType":"semver"},{"version":"16.2","status":"affected","lessThan":"16.2.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-1287: Improper Validation of Specified Type of Input","cweId":"CWE-1287","type":"CWE"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/418770","name":"GitLab Issue #418770","tags":["issue-tracking"]},{"url":"https://hackerone.com/reports/2058514","name":"HackerOne Bug Bounty Report #2058514","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:L/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"solutions":[{"lang":"en","value":"Upgrade to version 16.2.2, 16.1.3 or above"}],"credits":[{"lang":"en","value":"Thanks [toukakirishima](https://hackerone.com/toukakirishima) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2025-11-20T04:08:08.254Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-25T13:45:19.965687Z","id":"CVE-2023-3900","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":"2024-07-25T13:46:17.571Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:08:50.790Z"},"title":"CVE Program Container","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/418770","name":"GitLab Issue #418770","tags":["issue-tracking","x_transferred"]},{"url":"https://hackerone.com/reports/2058514","name":"HackerOne Bug Bounty Report #2058514","tags":["technical-description","exploit","x_transferred"]}]}]}}