CVE-2020-5808 Missing authorization in Tenable.sc

High 7.5 Published 21 Dec 2020 Updated 4 Aug 2024

Attackers can bypass scan zone restrictions in Tenable.sc by exploiting a configuration flaw, allowing unauthorized scanner usage outside defined zones.

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

What is CVE-2020-5808?

CVE-2020-5808 is a high-severity missing authorization vulnerability in Tenable.sc, published on 21 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In certain scenarios in Tenable.sc prior to 5.17.0, a scanner could potentially be used outside the user's defined scan zone without a particular zone being specified within the Automatic Distribution configuration.

Which versions are affected by CVE-2020-5808?

It affects 1 product.

Products include Tenable Tenable.sc.

How do I fix CVE-2020-5808?

No fix has been published for CVE-2020-5808 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-2020-5808 being exploited?

There is no known exploitation of CVE-2020-5808 in the wild and no public exploit code.

Sources

Also known as GHSA-qqm4-x6m2-p2v9.