description: An issue has been discovered in GitLab EE affecting all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Under certain conditions when OpenID Connect is enabled on an instance, it may allow users who are marked as 'external' to become 'regular' users thus leading to privilege escalation for those users.
problem types: Improper access control in GitLab
affected:
{
vendor: GitLab
product: GitLab
versions:
version: >=15.10, <15.10.5, status: affected
version: >=15.11, <15.11.1, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 6.8
baseSeverity: MEDIUM
]