CVE-2020-3212 Cisco IOS XE Software Web UI Command Injection Vulnerability

High 7.2 Published 3 Jun 2020 Updated 15 Nov 2024

Authenticated attackers can execute arbitrary root commands on Cisco IOS XE devices via crafted file uploads in 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-2020-3212?

CVE-2020-3212 is a high-severity command injection vulnerability in Cisco Ios Xe, published on 3 Jun 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system of an affected device. The vulnerability is due to improper input sanitization. An attacker could exploit this vulnerability by uploading a crafted file to the web UI of an affected device. A successful exploit could allow the attacker to inject and execute arbitrary commands with root privileges on the device.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2020-3212?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2020-3212?

No fix has been published for CVE-2020-3212 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-2020-3212 being exploited?

There is no known exploitation of CVE-2020-3212 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-5339-qqh7-6fh8.