title: Bypassing user account validation
description: When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
problem types: CWE-287 Improper Authentication
affected:
{
product: OTRS
vendor: OTRS AG
versions:
lessThanOrEqual: 8.0.9, status: affected, version: 8.0.x, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: NONE
baseScore: 4.1
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
version: 3.1
]
solutions: Upgrade to OTRS 8.0.10