title: IBM MQ denial of service
description: IBM MQ and IBM MQ Appliance 9.0, 9.1, 9.2, 9.3 LTS and 9.3 CD could allow a remote unauthenticated attacker to cause a denial of service due to incorrect buffering logic.  IBM X-Force ID:  281279.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: MQ
vendor: IBM
versions:
status: affected, version: 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.3 CD
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL