title: Improper Access Control in GitLab
description: An issue has been discovered in GitLab EE affecting all versions starting from 8.17 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. It was possible for auditor users to fork and submit merge requests to private projects they're not a member of.
problem types: CWE-284: Improper Access Control
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 8.17, status: affected, lessThan: 16.4.4, versionType: semver
version: 16.5, status: affected, lessThan: 16.5.4, versionType: semver
version: 16.6, 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:H/PR:H/UI:R/S:U/C:N/I:L/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: HIGH
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: NONE
baseScore: 2
baseSeverity: LOW
]
solutions: Upgrade to versions 16.4.4, 16.5.4, 16.6.2 or above.