title: Incorrect Authorization in GitLab
description: Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
problem types: CWE-863: Incorrect Authorization
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 8.13, status: affected, lessThan: 16.5.6, versionType: semver
version: 16.6, status: affected, lessThan: 16.6.4, versionType: semver
version: 16.7, status: affected, lessThan: 16.7.2, 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:C/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: HIGH
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 7.3
baseSeverity: HIGH
]
solutions: Upgrade to versions 16.7.2, 16.6.4, 16.5.6 or above.