{"cve":"CVE-2021-22218","nvd":{"published":"2021-06-08T16:15:13.530","modified":"2026-06-17T03:36:49.703","status":"Modified","description":"All versions of GitLab CE/EE starting from 12.8 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","score":2.6},"cwes":["CWE-295"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json","https://gitlab.com/gitlab-org/gitlab/-/issues/297665","https://hackerone.com/reports/1077019","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json","https://gitlab.com/gitlab-org/gitlab/-/issues/297665"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-22218","score":0.00463,"percentile":0.40153,"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."]}