Auth bypass in GitLab

CVE-2021-22211

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7. GitLab Dependency Proxy, under certain circumstances, can impersonate a user resulting in possibly incorrect access handling.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.006 (44.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-22211: held from 0.006 to 0.006.

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

Affected products

  • GitLab — versions >=13.11, <13.11.2, >=13.10, <13.10.4, >=13.7, <13.9.7

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22211?
CVE-2021-22211 is a low-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 3.1/10. Published 2021-05-06.
How severe is CVE-2021-22211?
Low severity. CVSS v3 base score is 3.1 out of 10.