title: IBM MQ denial of service
description: IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS is vulnerable to a denial of service attack caused by specially crafted PCF or MQSC messages.  IBM X-Force ID:  240832.
problem types: 703 Improper Check or Handling of Exceptional Conditions
affected:
{
defaultStatus: unaffected
product: MQ
vendor: IBM
versions:
status: affected, version: 9.2 CD, 9.2 LTS, 9.3 CD, 9.3 LTS
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL