What is CVE-2021-22186?

CVE-2021-22186 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-03-24.

How severe is CVE-2021-22186?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Auth bypass in GitLab

CVE-2021-22186

An authorization issue in GitLab CE/EE version 9.4 and up allowed a group maintainer to modify group CI/CD variables which should be restricted to group owners

Vulnerability class: Broken Access Control

Published 2021-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

GitLab — versions >=9.4, <13.7.8, >=13.8, <13.8.5, >=13.9, <13.9.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

gitlab.com/gitlab-org/gitlab/-/issues/321653 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22186.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22186?: CVE-2021-22186 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.9/10. Published 2021-03-24.
How severe is CVE-2021-22186?: Medium severity. CVSS v3 base score is 4.9 out of 10.