CVE-2022-45140 : What You Need to Know

This article discusses the details of CVE-2022-45140, a vulnerability impacting WAGO products that could lead to unauthenticated remote code execution and system compromise.

Understanding CVE-2022-45140

This section covers what CVE-2022-45140 is, its impact, technical details, and mitigation strategies.

What is CVE-2022-45140?

The vulnerability allows an unauthenticated user to write data with root privileges to the storage, potentially leading to unauthenticated remote code execution and system compromise.

The Impact of CVE-2022-45140

The impact includes an Authentication Bypass scenario (CAPEC-115) which poses a severe risk to the affected systems.

Technical Details of CVE-2022-45140

This section provides specific technical details related to the vulnerability.

Vulnerability Description

The issue arises from missing authentication for critical functions in the configuration backend.

Affected Systems and Versions

Products including Compact Controller CC100, Edge Controller, PFC100, PFC200, and multiple Touch Panel versions are affected.

Exploitation Mechanism

The vulnerability allows an attacker to exploit the configuration backend to execute unauthorized code with elevated permissions.

Mitigation and Prevention

To address CVE-2022-45140, immediate steps, long-term security practices, and the importance of patching and updates are highlighted.

Immediate Steps to Take

It is crucial to restrict access to vulnerable systems, apply security patches, and monitor for any signs of exploitation.

Long-Term Security Practices

Implementing strong authentication mechanisms, regular security audits, and employee training on cybersecurity best practices are essential.

Patching and Updates

Regularly check for security updates from WAGO and promptly apply patches to mitigate the risk of exploitation.