CVE-2022-34311 IBM CICS TX session fixation

Medium 4.3 Published 12 Feb 2024 Updated 6 May 2025

An attacker with physical access to a browser can hijack user sessions due to insufficiently protected credentials in IBM CICS TX.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-34311?

CVE-2022-34311 is a medium-severity authentication bypass vulnerability in IBM CICS TX Advanced, published on 12 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM CICS TX Standard and Advanced 11.1 could allow a user with physical access to the web browser to gain access to the user's session due to insufficiently protected credentials. IBM X-Force ID: 229446.

Weakness: CWE-522

Which versions are affected by CVE-2022-34311?

It affects 1 product.

Products include Ibm Cics Tx.

How do I fix CVE-2022-34311?

No fix has been published for CVE-2022-34311 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-34311 being exploited?

There is no known exploitation of CVE-2022-34311 in the wild and no public exploit code.

Sources

Also known as GHSA-8v7m-h3c9-88g7.