CVE-2023-42031 IBM CICS TX denial of service

Medium 4.9 Published 24 Oct 2023 Updated 11 Sep 2024

A privileged user can cause a denial of service in IBM CICS TX products through uncontrolled resource consumption.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-42031?

CVE-2023-42031 is a medium-severity denial of service vulnerability in IBM CICS TX Advanced, published on 24 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

IBM TXSeries for Multiplatforms, 8.1, 8.2, and 9.1, CICS TX Standard CICS TX Advanced 10.1 and 11.1 could allow a privileged user to cause a denial of service due to uncontrolled resource consumption. IBM X-Force ID: 266016.

Weakness: CWE-400

Which versions are affected by CVE-2023-42031?

It affects 2 products.

Products include Ibm Cics Tx, Ibm Txseries for Multiplatforms.

How do I fix CVE-2023-42031?

No fix has been published for CVE-2023-42031 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-42031 being exploited?

There is no known exploitation of CVE-2023-42031 in the wild and no public exploit code.

Sources

Also known as GHSA-8f2j-r3g9-qhmm.