Privilege escalation in Gitlab

CVE-2022-0090

An issue has been discovered affecting GitLab versions prior to 14.4.5, between 14.5.0 and 14.5.3, and between 14.6.0 and 14.6.1. GitLab is configured in a way that it doesn't ignore replacement references with git sub-commands, allowing a malicious user to spoof the contents of their commits in the UI.

Vulnerability class: Privilege Escalation

EPSS: 0.013 (67.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

  • Gitlab — versions <14.4.5, >=14.5.0, <14.5.3, >=14.6.0, <14.6.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-0090?
CVE-2022-0090 is a medium-severity vulnerability in Gitlab, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2022-01-18.
How severe is CVE-2022-0090?
Medium severity. CVSS v3 base score is 6.5 out of 10.