What is CVE-2021-22202?

CVE-2021-22202 is a low-severity vulnerability in GitLab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 2.4/10. Published 2021-04-02.

How severe is CVE-2021-22202?

Low severity. CVSS v3 base score is 2.4 out of 10.

CSRF in GitLab

CVE-2021-22202

An issue has been discovered in GitLab CE/EE affecting all previous versions. If the victim is an admin, it was possible to issue a CSRF in System hooks through the API.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

GitLab — versions >=13.10, <13.10.1, >=13.9, <13.9.5, <13.8.7

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

gitlab.com/gitlab-org/gitlab/-/issues/26017 (Broken Link)
hackerone.com/reports/471274 (Permissions Required, Third Party Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22202.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22202?: CVE-2021-22202 is a low-severity vulnerability in GitLab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 2.4/10. Published 2021-04-02.
How severe is CVE-2021-22202?: Low severity. CVSS v3 base score is 2.4 out of 10.