{"cve":"CVE-2021-39903","nvd":{"published":"2021-11-04T23:15:10.000","modified":"2026-06-17T04:04:23.710","status":"Modified","description":"In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":[],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json","https://gitlab.com/gitlab-org/gitlab/-/issues/300017","https://hackerone.com/reports/1086781","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json","https://gitlab.com/gitlab-org/gitlab/-/issues/300017"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-39903","score":0.0141,"percentile":0.72658,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}