CVE-2022-40177 : Vulnerability Insights and Analysis

A vulnerability has been identified in Siemens Desigo devices that could allow a remote attacker to read sensitive files on the affected device.

Understanding CVE-2022-40177

This vulnerability affects various Siemens Desigo devices and could result in unauthorized access to sensitive information stored on the device.

What is CVE-2022-40177?

The vulnerability in Desigo devices allows a low-privileged remote attacker to read sensitive files by sending specific Axon language queries to the device's web application.

The Impact of CVE-2022-40177

By exploiting this vulnerability, an attacker could potentially gain access to sensitive files on the device, compromising the confidentiality and integrity of the information stored.

Technical Details of CVE-2022-40177

This section provides more detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Desigo devices allows a remote low-privileged attacker to access sensitive files on the device by sending specific Axon language queries to the web application's endpoints.

Affected Systems and Versions

The following Siemens Desigo devices and versions are affected:

Desigo PXM30-1 (All versions < V02.20.126.11-41)
Desigo PXM30.E (All versions < V02.20.126.11-41)
Desigo PXM40-1 (All versions < V02.20.126.11-41)
Desigo PXM40.E (All versions < V02.20.126.11-41)
Desigo PXM50-1 (All versions < V02.20.126.11-41)
Desigo PXM50.E (All versions < V02.20.126.11-41)
PXG3.W100-1 (All versions < V02.20.126.11-37)
PXG3.W100-2 (All versions < V02.20.126.11-41)
PXG3.W200-1 (All versions < V02.20.126.11-37)
PXG3.W200-2 (All versions < V02.20.126.11-41)

Exploitation Mechanism

The vulnerability is exploited by supplying specific I/O related Axon queries to the device's web application endpoints, granting unauthorized access to sensitive files with root privileges.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-40177, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Apply patches provided by Siemens to address the vulnerability.
Implement network segmentation to minimize the impact of potential attacks.
Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch Siemens Desigo devices to prevent security vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses in the system.
Educate staff on cybersecurity best practices and the importance of maintaining secure configurations.

Patching and Updates

Ensure that all affected Siemens Desigo devices are updated with the latest patches to mitigate the vulnerability and enhance the overall security posture.