What is CVE-2023-4379?

CVE-2023-4379 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-11-09.

How severe is CVE-2023-4379?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Gitlab

CVE-2023-4379

An issue has been discovered in GitLab EE affecting all versions starting from 15.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Code owner approval was not removed from merge requests when the target branch was updated.

Vulnerability class: Broken Access Control

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.

Affected products

Gitlab — versions 16.4, 15.3, 16.4.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@gitlab.com (issue-tracking, permissions-required, Issue Tracking)

Frequently asked questions

What is CVE-2023-4379?: CVE-2023-4379 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-11-09.
How severe is CVE-2023-4379?: High severity. CVSS v3 base score is 8.1 out of 10.