CVE-2020-4253 Auth bypass in Content Navigator

Medium 6.3 Published 24 Mar 2020 Updated 16 Sep 2024

Failure to invalidate sessions on logout allows authenticated users to impersonate others, requiring a patch for IBM Content Navigator.

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-2020-4253?

CVE-2020-4253 is a medium-severity authentication bypass vulnerability in IBM Content Navigator, published on 24 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Content Navigator 3.0CD does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 175559.

Weakness: CWE-613

Which versions are affected by CVE-2020-4253?

It affects 1 product.

Products include Ibm Content Navigator.

How do I fix CVE-2020-4253?

No fix has been published for CVE-2020-4253 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-2020-4253 being exploited?

There is no known exploitation of CVE-2020-4253 in the wild and no public exploit code.

Sources

Also known as GHSA-8mx2-gx23-v8q6.