title: Improper 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.
problem types: CWE-285: Improper Authorization
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 16.4.3, status: affected, lessThan: 16.4.4, versionType: semver
version: 16.5.3, status: affected, lessThan: 16.5.4, versionType: semver
version: 16.6.1, status: affected, lessThan: 16.6.2, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 6.5
baseSeverity: MEDIUM
]
solutions: Upgrade to version 16.4.4, 16.5.4 or 16.6.2