{"cve":"CVE-2021-22246","nvd":{"published":"2021-08-20T18:15:07.523","modified":"2026-06-17T03:36:52.730","status":"Modified","description":"A vulnerability was discovered in GitLab versions before 14.0.2, 13.12.6, 13.11.6. GitLab Webhook feature could be abused to perform denial of service attacks.","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:N/A:H","score":6.5},"cwes":["CWE-770"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22246.json","https://gitlab.com/gitlab-org/gitlab/-/issues/280633","https://hackerone.com/reports/1029269","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22246.json","https://gitlab.com/gitlab-org/gitlab/-/issues/280633"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-22246","score":0.01335,"percentile":0.71169,"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."]}