CVE-2020-3224 Cisco IOS XE Software Web UI Command Injection Vulnerability

High 8.8 Published 3 Jun 2020 Updated 15 Nov 2024

Authenticated attackers can inject IOS commands via the web UI to alter device configuration or cause denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3224?

CVE-2020-3224 is a high-severity command injection vulnerability in Cisco Ios Xe, published on 3 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to inject IOS commands to an affected device. The injected commands should require a higher privilege level in order to be executed. The vulnerability is due to insufficient input validation of specific HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a specific web UI endpoint on an affected device. A successful exploit could allow the attacker to inject IOS commands to the affected device, which could allow the attacker to alter the configuration of the device or cause a denial of service (DoS) condition.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2020-3224?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2020-3224?

No fix has been published for CVE-2020-3224 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-2020-3224 being exploited?

There is no known exploitation of CVE-2020-3224 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-r7vq-qr3g-r3wg.