CVE-2020-3225 : What You Need to Know

Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities

Understanding CVE-2020-3225

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.

What is CVE-2020-3225?

The vulnerabilities in the CIP feature of Cisco IOS and IOS XE Software allow attackers to send crafted CIP traffic to cause affected devices to reload, leading to a DoS condition.

The Impact of CVE-2020-3225

The vulnerabilities could result in a denial of service (DoS) condition by causing affected devices to reload, impacting network availability.

Technical Details of CVE-2020-3225

Vulnerability Description

Insufficient input processing of CIP traffic in Cisco IOS and IOS XE Software leads to the vulnerabilities, enabling attackers to exploit the system.

Affected Systems and Versions

Product: Cisco IOS 12.2(55)SE
Vendor: Cisco
Version: n/a

Exploitation Mechanism

Attackers can exploit the vulnerabilities by sending crafted CIP traffic to affected devices, triggering a reload and causing a DoS condition.

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary security patches provided by Cisco to address the vulnerabilities.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Cisco has released patches to address the vulnerabilities. Ensure timely installation of these patches to secure the systems.