CVE-2020-3365 Cisco Enterprise NFV Infrastructure Software Path Traversal Vulnerability

Medium 4.3 Published 4 Sep 2020 Updated 13 Nov 2024

Authenticated attackers can bypass RBAC to perform directory traversal and overwrite files on Cisco NFVIS devices.

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-2020-3365?

CVE-2020-3365 is a medium-severity path traversal vulnerability in Cisco Enterprise NFV Infrastructure Software, published on 4 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the directory permissions of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to perform a directory traversal attack on a limited set of restricted directories. The vulnerability is due to a flaw in the logic that governs directory permissions. An attacker could exploit this vulnerability by using capabilities that are not controlled by the role-based access control (RBAC) mechanisms of the software. A successful exploit could allow the attacker to overwrite files on an affected device.

Weakness: CWE-22

Which versions are affected by CVE-2020-3365?

It affects 1 product.

Products include Cisco Enterprise Nfv Infrastructure Software.

How do I fix CVE-2020-3365?

No fix has been published for CVE-2020-3365 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-3365 being exploited?

There is no known exploitation of CVE-2020-3365 in the wild and no public exploit code.

Sources

Also known as GHSA-3p39-2wh4-rwfp.