description: Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API
problem types: Improper authorization in GitLab
affected:
{
product: GitLab
vendor: GitLab
versions:
status: affected, version: >=11.3, <12.9.8
status: affected, version: >=12.10, <12.10.7
status: affected, version: >=13.0, <13.0.1
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]