CVE-2023-6564

Incorrect Authorization in GitLab

Description

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.

Remediation

Solution:

  • Upgrade to version 16.4.4, 16.5.4 or 16.6.2

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-com/gl-infra/production/-/issues/17213 issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2023-6564?
CVE-2023-6564 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6564?
To fix CVE-2023-6564: Upgrade to version 16.4.4, 16.5.4 or 16.6.2
Is CVE-2023-6564 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-6564 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6564?
CVE-2023-6564 affects GitLab GitLab.
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