CVE-2021-1485 Cisco IOS XR Software Command Injection Vulnerability

Medium 6.6 Published 8 Apr 2021 Updated 8 Nov 2024

Authenticated local attackers can inject commands to execute arbitrary code with root privileges on Cisco IOS XR devices.

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-2021-1485?

CVE-2021-1485 is a medium-severity command injection vulnerability in Cisco Ios Xr, published on 8 Apr 2021. 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 IOS XR Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges on the underlying Linux operating system (OS) of an affected device. This vulnerability is due to insufficient input validation of commands that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to an affected command. A successful exploit could allow the attacker to execute commands on the underlying Linux OS with root privileges.

Weakness: CWE-88

Which versions are affected by CVE-2021-1485?

It affects 1 product.

Products include Cisco Ios Xr.

How do I fix CVE-2021-1485?

No fix has been published for CVE-2021-1485 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-2021-1485 being exploited?

There is no known exploitation of CVE-2021-1485 in the wild and no public exploit code.

All Cisco Ios Xr vulnerabilities

Sources

Also known as GHSA-hfm2-m84q-6rc9.