CVE-2020-12510 : What You Need to Know

This CVE-2020-12510 article provides insights into a privilege escalation vulnerability in Beckhoff's TwinCat XAR 3.1 software.

Understanding CVE-2020-12510

This vulnerability allows local users to modify system content and execute arbitrary code, potentially leading to privilege escalation.

What is CVE-2020-12510?

The default installation path of TwinCAT XAR 3.1 software allows local users to replace critical executable files, leading to unauthorized code execution.

The Impact of CVE-2020-12510

The vulnerability has a high impact on confidentiality, integrity, and availability, with a CVSS base score of 7.3.

Technical Details of CVE-2020-12510

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The default installation path of TwinCAT XAR 3.1 allows local users to replace critical executable files, enabling unauthorized code execution.

Affected Systems and Versions

Affected Platforms: All
Affected Product: TwinCat XAR 3.1
Vendor: Beckhoff
Affected Versions: All

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Scope: Unchanged

Mitigation and Prevention

Learn how to mitigate and prevent the exploitation of CVE-2020-12510.

Immediate Steps to Take

Choose "C:\Program Files\TwinCAT" during installation or reinstall with a custom path.
Backup all device data before moving projects from C:\TwinCAT.
Remove former content of C:\TwinCAT for security.

Long-Term Security Practices

Regularly update and patch TwinCAT software.
Implement least privilege access controls.
Conduct security audits to identify vulnerabilities.

Patching and Updates

Ensure TwinCAT XAR 3.1 is installed in a secure path.
Regularly check for security updates and apply them promptly.