Security Bulletin: IBM MQ Appliance is vulnerable to a denial of service vulnerability (CVE-2020-4466)

Summary

IBM MQ Appliance has resolved a denial of service vulnerability.

Vulnerability Details

CVEID:CVE-2020-4466
**DESCRIPTION:**IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop could allow a remote authenticated attacker to cause a denial of service due to an error within the Queue processing function.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181563 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.15, or later.

IBM MQ Appliance V9.1 LTS

Apply FixPack 9.1.0.5, or later.

IBM MQ Appliance V9.1 CD

Upgrade to IBM MQ 9.1.5, or later.

Workarounds and Mitigations

None