CVE-2023-20050 Cisco NX-OS Software CLI Command Injection Vulnerability

Medium 4.4 Published Updated

An authenticated local attacker can execute arbitrary OS commands on Cisco NX-OS devices via crafted CLI arguments.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-20050?

CVE-2023-20050 is a medium-severity command injection vulnerability in Cisco Nx-Os, published on 23 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments that are passed to specific CLI commands. An attacker could exploit this vulnerability by including crafted input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the currently logged-in user.

Weakness: CWE-78

Which versions are affected by CVE-2023-20050?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2023-20050?

No fix has been published for CVE-2023-20050 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-20050 being exploited?

There is no known exploitation of CVE-2023-20050 in the wild and no public exploit code.

All Cisco Nx-Os vulnerabilities

Sources

Also known as GHSA-xmwf-5pvf-pm8f.

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