description: An issue has been discovered in GitLab EE affecting all versions starting from 15.1 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. If a group with SAML SSO enabled is transferred to a new namespace as a child group, it's possible previously removed malicious maintainer or owner of the child group can still gain access to the group via SSO or a SCIM token to perform actions on the group.
problem types: Improper access control in GitLab
affected:
{
vendor: GitLab
product: GitLab
versions:
version: >=15.1, <15.7.8, status: affected
version: >=15.8, <15.8.4, status: affected
version: >=15.9, <15.9.2, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: HIGH
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 5.7
baseSeverity: MEDIUM
]