CVE-2020-3225 Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities

High 8.6 Published 3 Jun 2020 Updated 15 Nov 2024

Unauthenticated remote attackers can cause Cisco IOS devices to reload by sending crafted CIP traffic, resulting in a denial of service.

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

What is CVE-2020-3225?

CVE-2020-3225 is a high-severity denial of service vulnerability in Cisco Ios, published on 3 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple vulnerabilities in the implementation of the Common Industrial Protocol (CIP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to insufficient input processing of CIP traffic. An attacker could exploit these vulnerabilities by sending crafted CIP traffic to be processed by an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Weakness: CWE-20

Which versions are affected by CVE-2020-3225?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2020-3225?

No fix has been published for CVE-2020-3225 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-3225 being exploited?

There is no known exploitation of CVE-2020-3225 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-h6c9-q6x7-9r7w.