What is CVE-2021-22233?

CVE-2021-22233 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-07-07.

How severe is CVE-2021-22233?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in GitLab

CVE-2021-22233

An information disclosure vulnerability in GitLab EE versions 13.10 and later allowed a user to read project details

Vulnerability class: Broken Access Control

Published 2021-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

GitLab — versions >=13.10, <13.11.6, >=13.12, <13.12.6, >=14.0, <14.0.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

gitlab.com/gitlab-org/gitlab/-/issues/329446 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22233.json (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22233?: CVE-2021-22233 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-07-07.
How severe is CVE-2021-22233?: Medium severity. CVSS v3 base score is 4.3 out of 10.