CVE-2023-5198

Public Exploit
Incorrect Authorization in GitLab

Description

An issue has been discovered in GitLab affecting all versions prior to 16.2.7, all versions starting from 16.3 before 16.3.5, and all versions starting from 16.4 before 16.4.1. It was possible for a removed project member to write to protected branches using deploy keys.

Remediation

Solution:

  • Upgrade to versions 16.4.1, 16.3.5, 16.2.8 or above.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/416957 issue tracking broken link
https://hackerone.com/reports/2041789 broken link exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-5198?
CVE-2023-5198 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5198?
To fix CVE-2023-5198: Upgrade to versions 16.4.1, 16.3.5, 16.2.8 or above.
Is CVE-2023-5198 being actively exploited in the wild?
It is possible that CVE-2023-5198 is being exploited or will be exploited in a near future based on public information. 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-2023-5198?
CVE-2023-5198 affects GitLab GitLab.
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