CVE-2023-5995

Publication date 1 December 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue has been discovered in GitLab EE affecting all versions starting from 16.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the policy bot to gain access to internal projects.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gitlab	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

How can I get the fixes?
What do statuses mean?

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

MITRE
NVD
Launchpad
Debian

Other references

https://gitlab.com/gitlab-org/gitlab/-/issues/425361
https://hackerone.com/reports/2138880
https://www.cve.org/CVERecord?id=CVE-2023-5995