Learn about CVE-2020-12497, a high-severity vulnerability in Phoenix Contact Automation Worx <= 1.87. Understand its impact, affected systems, exploitation, and mitigation steps.
PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow, potentially resulting in remote code execution due to insufficient input data validation.
Understanding CVE-2020-12497
This CVE involves a stack-based overflow vulnerability in Phoenix Contact Automation Worx <= 1.87.
What is CVE-2020-12497?
The vulnerability arises from PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier, allowing for a stack-based overflow.
The Impact of CVE-2020-12497
Technical Details of CVE-2020-12497
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability involves a stack-based overflow in Phoenix Contact Automation Worx <= 1.87 due to inadequate input data validation during PLCopen XML file parsing.
Affected Systems and Versions
Exploitation Mechanism
Exploitation can occur through manipulated PC Worx projects, potentially leading to remote code execution.
Mitigation and Prevention
To address CVE-2020-12497, follow these steps:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security updates and patches from Phoenix Contact.