{"cve":"CVE-2021-39941","nvd":{"published":"2021-12-13T16:15:09.720","modified":"2026-06-17T04:04:28.080","status":"Modified","description":"An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-200"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","https://gitlab.com/gitlab-org/gitlab/-/issues/33864","https://hackerone.com/reports/706361","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","https://gitlab.com/gitlab-org/gitlab/-/issues/33864"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-39941","score":0.01221,"percentile":0.68706,"date":"2026-10-31"},"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."]}