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CVE-2023-4658

Published: 1 December 2023

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 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 `Allowed to merge` permission as a guest user, when granted the permission through a group.

Priority

Medium

Cvss 3 Severity Score

3.1

Score breakdown

Status

Package Release Status
gitlab
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(gitlab EE only)
focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

trusty Not vulnerable
(gitlab EE only)
upstream Not vulnerable
(debian: Specific to EE)
xenial Not vulnerable
(gitlab EE only)

Severity score breakdown

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