CVE-2020-3388 Cisco SD-WAN vManage Software Command Injection Vulnerability

High 7.8 Published 16 Jul 2020 Updated 13 Nov 2024

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

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-2020-3388?

CVE-2020-3388 is a high-severity command injection vulnerability in Cisco SD-WAN vManage, published on 16 Jul 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 vManage 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. The attacker must be authenticated to access the CLI. A successful exploit could allow the attacker to execute commands with root privileges.

Weakness: CWE-287

Which versions are affected by CVE-2020-3388?

It affects 1 product.

Products include Cisco Sd-Wan Firmware.

How do I fix CVE-2020-3388?

No fix has been published for CVE-2020-3388 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-2020-3388 being exploited?

There is no known exploitation of CVE-2020-3388 in the wild and no public exploit code.

Sources

Also known as GHSA-g323-fq43-wfq6.