CVE-2020-3138 Cisco Enterprise NFV Infrastructure Software Remote Code Execution Vulnerability

Medium 6.7 Published 19 Feb 2020 Updated 15 Nov 2024

An authenticated local attacker can execute arbitrary code by uploading a malicious upgrade file due to insufficient signature validation in Cisco NFVIS.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3138?

CVE-2020-3138 is a medium-severity code injection vulnerability in Cisco NA, published on 19 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the upgrade component of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to install a malicious file when upgrading. The vulnerability is due to insufficient signature validation. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to upload crafted code to the affected device.

Weakness: CWE-347

Which versions are affected by CVE-2020-3138?

It affects 1 product.

Products include Cisco Enterprise Nfv Infrastructure Software.

How do I fix CVE-2020-3138?

No fix has been published for CVE-2020-3138 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-3138 being exploited?

There is no known exploitation of CVE-2020-3138 in the wild and no public exploit code.

Sources

Also known as GHSA-9q6j-4fr7-7x67.