CVE-2022-46670 : What You Need to Know

Rockwell Automation was alerted to a critical vulnerability by a security researcher from Georgia Institute of Technology. The CVE-2022-46670 affects the MicroLogix 1100 and 1400 controllers, potentially enabling attackers to execute remote code through an unauthenticated stored cross-site scripting vulnerability in the embedded webserver.

Understanding CVE-2022-46670

This section delves into the specifics of the CVE-2022-46670 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-46670?

The CVE-2022-46670 vulnerability targets Rockwell Automation's MicroLogix 1100 and 1400 controllers, allowing threat actors to achieve remote code execution via an unauthenticated stored cross-site scripting flaw in the embedded webserver.

The Impact of CVE-2022-46670

The presence of this vulnerability poses a high risk, with the potential for threat actors to execute malicious code on affected devices, compromising the integrity and confidentiality of systems.

Technical Details of CVE-2022-46670

This section outlines critical technical aspects of the CVE-2022-46670 vulnerability.

Vulnerability Description

The flaw resides in the embedded webserver of Rockwell Automation's MicroLogix 1100 and 1400 controllers. Attackers can exploit this unauthenticated stored cross-site scripting vulnerability to achieve remote code execution.

Affected Systems and Versions

The CVE-2022-46670 vulnerability impacts MicroLogix 1100 and 1400 controllers across all versions, allowing threat actors to execute arbitrary code remotely.

Exploitation Mechanism

The vulnerability is exploited by transferring a payload to the controller via SNMP, subsequently rendering it on the homepage of the embedded website.

Mitigation and Prevention

Discover effective strategies to mitigate and prevent the exploitation of CVE-2022-46670.

Immediate Steps to Take

Users are urged to apply security patches promptly, monitor network traffic for suspicious activities, and restrict access to vulnerable controllers.

Long-Term Security Practices

Establish robust security protocols, conduct regular security audits, and consider isolating critical systems to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Rockwell Automation to address CVE-2022-46670 and other potential vulnerabilities effectively.