CVE-2020-3266 Cisco SD-WAN Solution Command Injection Vulnerability

High 7.8 Published 19 Mar 2020 Updated 15 Nov 2024

Authenticated local attackers can inject arbitrary commands into the CLI to execute code with root privileges on Cisco SD-WAN 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-2020-3266?

CVE-2020-3266 is a high-severity command injection vulnerability in Cisco SD-WAN Solution, published on 19 Mar 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 CLI of Cisco SD-WAN Solution software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI utility. The attacker must be authenticated to access the CLI utility. A successful exploit could allow the attacker to execute commands with root privileges.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2020-3266?

It affects 1 product.

Products include Cisco Sd-Wan Firmware.

How do I fix CVE-2020-3266?

No fix has been published for CVE-2020-3266 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-2020-3266 being exploited?

There is no known exploitation of CVE-2020-3266 in the wild and no public exploit code.

Sources

Also known as GHSA-rm3p-cf5q-3f22.