Discover the impact of CVE-2022-3157 on Rockwell Automation controllers. Learn about the denial-of-service risk and how to mitigate this vulnerability to secure your systems.
A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).
Understanding CVE-2022-3157
This CVE impacts Rockwell Automation controllers, specifically models like CompactLogix 5370, Compact GuardLogix, ControlLogix 5570, ControlLogix 5570 Redundancy, and GuardLogix 5570.
What is CVE-2022-3157?
CVE-2022-3157 is a vulnerability in Rockwell Automation controllers that can be exploited via a malformed CIP request, leading to a major non-recoverable fault and a denial-of-service condition.
The Impact of CVE-2022-3157
The vulnerability, if exploited, can result in a major system fault and a denial-of-service situation, potentially disrupting operations and causing downtime.
Technical Details of CVE-2022-3157
Vulnerability Description
The vulnerability allows an attacker to send a specially crafted CIP request to the affected Rockwell Automation controllers, triggering a non-recoverable fault and a denial-of-service scenario.
Affected Systems and Versions
The vulnerability affects several Rockwell Automation controllers including CompactLogix 5370, Compact GuardLogix, ControlLogix 5570, ControlLogix 5570 Redundancy, and GuardLogix 5570 with specific versions.
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a malformed CIP request to the targeted Rockwell Automation controller, causing a major fault and a denial-of-service condition.
Mitigation and Prevention
Immediate Steps to Take
Rockwell Automation recommends applying patches provided to mitigate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Regularly updating and maintaining the firmware and software of Rockwell Automation controllers can help prevent future vulnerabilities and ensure system security.
Patching and Updates
Stay informed about security updates and patches released by Rockwell Automation for the affected controllers and apply them promptly to secure your systems.