CVE-2021-41547 : Vulnerability Insights and Analysis

A vulnerability has been identified in Teamcenter Active Workspace versions V4.3 (All versions < V4.3.11), V5.0 (All versions < V5.0.10), V5.1 (All versions < V5.1.6), and V5.2 (All versions < V5.2.3) from Siemens that could allow a zip path traversal attack leading to remote shell execution with admin rights.

Understanding CVE-2021-41547

This CVE affects Teamcenter Active Workspace versions V4.3, V5.0, V5.1, and V5.2.

What is CVE-2021-41547?

Teamcenter Active Workspace versions contain an unsafe unzipping pattern susceptible to a zip path traversal attack.

The Impact of CVE-2021-41547

Attackers could exploit this vulnerability to execute a remote shell with admin privileges.

Technical Details of CVE-2021-41547

The following technical details are associated with this CVE:

Vulnerability Description

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Systems and Versions

Teamcenter Active Workspace V4.3 (All versions < V4.3.11)
Teamcenter Active Workspace V5.0 (All versions < V5.0.10)
Teamcenter Active Workspace V5.1 (All versions < V5.1.6)
Teamcenter Active Workspace V5.2 (All versions < V5.2.3)

Exploitation Mechanism

The vulnerability lies in the unzipping pattern within the application, allowing for unauthorized access.

Mitigation and Prevention

It is crucial to take immediate steps to address this vulnerability to enhance system security.

Immediate Steps to Take

Apply the recommended patches provided by Siemens.
Disable or restrict access to potentially vulnerable functionalities.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weak points.

Patching and Updates

Siemens has released patches to address this vulnerability, and users should promptly update to the latest secure versions to safeguard their systems.