CVE-2023-40695 IBM Cognos Controller session fixation

Medium 6.3 Published 3 May 2024 Updated 2 Aug 2024

An authenticated user can impersonate another user because sessions are not invalidated after logout in IBM Cognos Controller.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-40695?

CVE-2023-40695 is a medium-severity authentication bypass vulnerability in Ibm Cognos Controller, published on 3 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.

Weakness: CWE-613

Which versions are affected by CVE-2023-40695?

It affects 1 product.

Products include Ibm Cognos Controller.

How do I fix CVE-2023-40695?

No fix has been published for CVE-2023-40695 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-2023-40695 being exploited?

There is no known exploitation of CVE-2023-40695 in the wild and no public exploit code.

All Ibm Cognos Controller vulnerabilities

Sources

Also known as GHSA-5765-9mm7-gg46.