{"cve":"CVE-2021-39916","nvd":{"published":"2021-12-13T16:15:08.860","modified":"2026-06-17T04:04:25.223","status":"Modified","description":"Lack of an access control check in the External Status Check feature allowed any authenticated user to retrieve the configuration of any External Status Check in GitLab EE starting from 14.1 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-639"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39916.json","https://gitlab.com/gitlab-org/gitlab/-/issues/343379","https://hackerone.com/reports/1372216","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39916.json","https://gitlab.com/gitlab-org/gitlab/-/issues/343379"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-39916","score":0.00833,"percentile":0.5766,"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."]}