CVE-2021-40355 : What You Need to Know

A vulnerability has been identified in Siemens Teamcenter versions V12.4, V13.0, V13.1, and V13.2 allowing unauthorized access to objects.

Understanding CVE-2021-40355

This CVE involves Insecure Direct Object Reference (IDOR) vulnerability affecting Siemens Teamcenter.

What is CVE-2021-40355?

Vulnerability in Teamcenter versions V12.4, V13.0, V13.1, V13.2
Allows attackers to exploit user-supplied input to access objects directly

The Impact of CVE-2021-40355

Attackers can bypass authorization controls and access sensitive data

Technical Details of CVE-2021-40355

This section covers the technical aspects of the CVE.

Vulnerability Description

Insecure Direct Object Reference (IDOR) vulnerability in Siemens Teamcenter

Affected Systems and Versions

Teamcenter V12.4: All versions < V12.4.0.8
Teamcenter V13.0: All versions < V13.0.0.7
Teamcenter V13.1: All versions < V13.1.0.5
Teamcenter V13.2: All versions < 13.2.0.2

Exploitation Mechanism

Attackers utilize user-supplied input to access objects directly

Mitigation and Prevention

Learn how to address the CVE to enhance security.

Immediate Steps to Take

Update Siemens Teamcenter to the fixed versions
Implement strict access controls and input validation
Monitor and log user activities for unauthorized access

Long-Term Security Practices

Conduct regular security audits and assessments
Educate users on secure coding practices
Stay informed about security best practices

Patching and Updates

Apply security patches and updates provided by Siemens