CVE-2022-40179 : Exploit Details and Defense Strategies

A vulnerability has been identified in Siemens products including Desigo PXM30-1, Desigo PXM30.E, Desigo PXM40-1, Desigo PXM40.E, Desigo PXM50-1, Desigo PXM50.E, PXG3.W100-1, PXG3.W100-2, PXG3.W200-1, and PXG3.W200-2. This vulnerability allows a remote unauthenticated attacker to execute arbitrary Axon queries.

Understanding CVE-2022-40179

This section will provide insights into the nature and impact of CVE-2022-40179.

What is CVE-2022-40179?

The vulnerability CVE-2022-40179 is a Cross-Site Request Forgery (CSRF) issue found in Siemens products related to Axon queries execution.

The Impact of CVE-2022-40179

The vulnerability enables a remote unauthenticated attacker to execute arbitrary Axon queries through the device's web application via a crafted webpage, potentially leading to unauthorized access.

Technical Details of CVE-2022-40179

This section will delve into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises due to the lack of anti-CSRF token validation or other origin checks in the 'Operation' web application endpoints, allowing for malicious query execution.

Affected Systems and Versions

Siemens products such as Desigo PXM30-1, PXM30.E, PXM40-1, PXM40.E, PXM50-1, PXM50.E, PXG3.W100-1, PXG3.W100-2, PXG3.W200-1, and PXG3.W200-2 are affected by this vulnerability.

Exploitation Mechanism

Exploitation involves convincing a logged-in user to click on a malicious link or visit a crafted webpage, enabling the attacker to execute unauthorized Axon queries.

Mitigation and Prevention

This section will outline steps to mitigate the risk posed by CVE-2022-40179.

Immediate Steps to Take

Users should update affected Siemens products to versions V02.20.126.11-41 or V02.20.126.11-37 to patch the vulnerability.

Long-Term Security Practices

Implement network segmentation, access controls, and security monitoring to enhance device security and prevent unauthorized access.

Patching and Updates

Regularly check for security updates and apply patches provided by Siemens to ensure the protection of the devices.