CVE-2023-3253 Improper authorization in Nessus

Medium 4.3 Published 29 Aug 2023 Updated 28 Oct 2024

An authenticated low-privileged attacker can view the list of all users in Nessus due to improper authorization checks.

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-2023-3253?

CVE-2023-3253 is a medium-severity missing authorization vulnerability in Tenable Nessus, published on 29 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An improper authorization vulnerability exists where an authenticated, low privileged remote attacker could view a list of all the users available in the application.

Weakness: CWE-863

Which versions are affected by CVE-2023-3253?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2023-3253?

No fix has been published for CVE-2023-3253 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-3253 being exploited?

There is no known exploitation of CVE-2023-3253 in the wild and no public exploit code.

All Tenable Nessus vulnerabilities

Sources

Also known as GHSA-76cq-86p6-8q56.