What is CVE-2021-22243?

CVE-2021-22243 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.0/10. Published 2021-08-25.

How severe is CVE-2021-22243?

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

Auth bypass in GitLab

CVE-2021-22243

Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.

Vulnerability class: Broken Access Control

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

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (40.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% 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 >=7.10, <13.12.9, >=14.0, <14.0.7, >=14.1, <14.1.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

gitlab.com/gitlab-org/gitlab/-/issues/325934 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22243.json (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22243?: CVE-2021-22243 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.0/10. Published 2021-08-25.
How severe is CVE-2021-22243?: Medium severity. CVSS v3 base score is 5.0 out of 10.