What is CVE-2021-22245?

CVE-2021-22245 is a low-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 2.7/10. Published 2021-08-25.

How severe is CVE-2021-22245?

Low severity. CVSS v3 base score is 2.7 out of 10.

Improper input validation in GitLab

CVE-2021-22245

Improper validation of commit author in GitLab CE/EE affecting all versions allowed an attacker to make several pages in a project impossible to view

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-08-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.014 (70.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

GitLab — versions <13.12.9, >=14.0, <14.0.7, >=14.1, <14.1.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

gitlab.com/gitlab-org/gitlab/-/issues/255612 (Broken Link)
hackerone.com/reports/987689 (Permissions Required, Third Party Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22245.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22245?: CVE-2021-22245 is a low-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 2.7/10. Published 2021-08-25.
How severe is CVE-2021-22245?: Low severity. CVSS v3 base score is 2.7 out of 10.