What is CVE-2021-22239?

CVE-2021-22239 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.0/10. Published 2021-09-09.

How severe is CVE-2021-22239?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Auth bypass in GitLab

CVE-2021-22239

An unauthorized user was able to insert metadata when creating new issue on GitLab CE/EE 14.0 and later.

Vulnerability class: Broken Access Control

Published 2021-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

GitLab — versions >=14.1, <14.1.2, >=14.0, <14.0.7

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

gitlab.com/gitlab-org/gitlab/-/issues/336301 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22239.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22239?: CVE-2021-22239 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.0/10. Published 2021-09-09.
How severe is CVE-2021-22239?: Medium severity. CVSS v3 base score is 5.0 out of 10.