title: IBM MQ denial of service
description: IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD is vulnerable to a denial-of-service attack due to an error within the MQ clustering logic.  IBM X-Force ID:  268066.
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: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL