What is CVE-2023-6564?

CVE-2023-6564 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2024-02-08.

How severe is CVE-2023-6564?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-6564 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Gitlab

CVE-2023-6564

An issue has been discovered in GitLab EE Premium and Ultimate affecting versions 16.4.3, 16.5.3, and 16.6.1. In projects using subgroups to define who can push and/or merge to protected branches, there may have been instances in which subgroup members with the Developer role were able to push or merge to protected branches.

Vulnerability class: Broken Access Control

EPSS: 0.004 (30.6th 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 16.4.3, 16.5.3, 16.6.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

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

Frequently asked questions

What is CVE-2023-6564?: CVE-2023-6564 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2024-02-08.
How severe is CVE-2023-6564?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-6564 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.