CVE-2022-20851 Cisco IOS XE Software Web UI Command Injection Vulnerability

Medium 5.5 Published 30 Sep 2022 Updated 1 Nov 2024

Authenticated administrators can execute arbitrary commands with root privileges on Cisco IOS XE devices via the web UI.

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

What is CVE-2022-20851?

CVE-2022-20851 is a medium-severity command injection vulnerability in Cisco Ios Xe, published on 30 Sep 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI API. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To exploit this vulnerability, an attacker must have valid Administrator privileges on the affected device.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2022-20851?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2022-20851?

No fix has been published for CVE-2022-20851 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-2022-20851 being exploited?

There is no known exploitation of CVE-2022-20851 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-cqv7-6595-m97v.