MQ vulnerability

What happened

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated attacker to execute arbitrary code due to a deserialization of untrusted data.

Affected versions

MQ: 9.1.0.0 through 9.1.0.37 LTS (semver); 9.2.0.0 through 9.2.0.43 LTS (semver); 9.3.0.0 through 9.3.0.41 LTS (semver); 9.3.0.0 through 9.3.5.1 CD (semver); 9.4.0.0 through 9.4.0.25 LTS (semver); 9.4.0.0 through 9.4.5.1 CD (semver); 10.0.0.0 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.