Security Bulletin: IBM MQ Appliance vulnerability in TLS (CVE-2020-4831)

Summary

IBM MQ Appliance has resolved a TLS vulnerability first reported against the IBM DataPower Gateway.

Vulnerability Details

CVEID:CVE-2020-4831
**DESCRIPTION:**IBM DataPower Gateway 10.0.0.0 through 10.0.1.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 189965.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189965 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

This vulnerability is addressed under APAR IT36321.

IBM MQ Appliance version 9.2 LTS

Apply fix pack 9.2.0.2, or later firmware.

IBM MQ Appliance version 9.2 CD

Apply 9.2.2 interim fix firmware for APAR IT36321, or later firmware.

Workarounds and Mitigations

None