CVE-2021-38986

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-01 · updated 2026-06-17
Weakness: CWE-613

Description

IBM MQ Appliance 9.2 CD and 9.2 LTS does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 212942.

Affected products

IBM MQ: from 9.2.0 before 9.2.0.4; from 9.2.0 before 9.2.5 — fixed in 9.2.0.4, 9.2.5

How to fix

Upgrade to a fixed version: IBM MQ 9.2.0.4, 9.2.5. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/212942
https://www.ibm.com/support/pages/node/6560032
https://exchange.xforce.ibmcloud.com/vulnerabilities/212942
https://www.ibm.com/support/pages/node/6560032

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