CVE-2022-34765 : What You Need to Know
Discover the impact and mitigation of CVE-2022-34765 affecting Schneider Electric's OPC UA Modicon and X80 RTU Communication Modules. Learn how to prevent unauthorized firmware loading.
A CWE-73: External Control of File Name or Path vulnerability exists in Schneider Electric's OPC UA Modicon Communication Module and X80 advanced RTU Communication Module that could lead to the loading of unauthorized firmware images.
Understanding CVE-2022-34765
This CVE, published on July 12, 2022, highlights a security vulnerability affecting certain Schneider Electric products.
What is CVE-2022-34765?
The vulnerability allows for the loading of unauthorized firmware images when user-controlled data is written to the file path of the affected modules.
The Impact of CVE-2022-34765
The impact of this vulnerability is considered medium severity with a CVSS base score of 5.5. It poses a high availability impact but does not affect confidentiality.
Technical Details of CVE-2022-34765
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The CVE-2022-34765 involves external control of file name or path, affecting the OPC UA Modicon Communication Module and X80 advanced RTU Communication Module from Schneider Electric.
Affected Systems and Versions
The vulnerability affects the OPC UA Modicon Communication Module (BMENUA0100) with version V1.10 and prior, as well as the X80 advanced RTU Communication Module with version V2.01 and later.
Exploitation Mechanism
The exploitation of this vulnerability involves writing user-controlled data to the file path, which can lead to the loading of unauthorized firmware images.
Mitigation and Prevention
Learn how to address and prevent this vulnerability in your systems.
Immediate Steps to Take
It is crucial to apply security patches or updates provided by Schneider Electric to mitigate the risk of unauthorized firmware loading.
Long-Term Security Practices
Implementing network security measures and access controls can enhance the overall security posture of the affected systems.
Patching and Updates
Stay informed about security notices and updates released by Schneider Electric to address this vulnerability.