title: Cloud Foundry UAA MFA does not prevent brute force of MFA code
description: Cloud Foundry UAA, all versions prior to 4.20.0 and Cloud Foundry UAA Release, all versions prior to 61.0, allows brute forcing of MFA codes. A remote unauthenticated malicious user in possession of a valid username and password can brute force MFA to login as the targeted user.
problem types: Improper Access Control
affected:
{
product: UAA Release
vendor: Cloud Foundry
versions:
lessThan: 61.0, status: affected, version: all versions, versionType: custom
}
{
product: UAA
vendor: Cloud Foundry
versions:
lessThan: 4.20.0, status: affected, version: all versions, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6.6
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
version: 3.0
]