CVE-2025-27438

7.8 HIGH

📋 TL;DR

This vulnerability allows remote code execution through specially crafted WRL files in Siemens Teamcenter Visualization and Tecnomatix Plant Simulation software. An attacker could execute arbitrary code in the context of the current process by tricking a user into opening a malicious file. Organizations using affected versions of these Siemens industrial software products are at risk.

💻 Affected Systems

Products:
  • Teamcenter Visualization
  • Tecnomatix Plant Simulation
Versions: Teamcenter Visualization V14.3 (< V14.3.0.13), V2312 (< V2312.0009), V2406 (< V2406.0007), V2412 (< V2412.0002); Tecnomatix Plant Simulation V2302 (< V2302.0021), V2404 (< V2404.0010)
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations of affected versions are vulnerable when processing WRL (VRML) files.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with attacker gaining the same privileges as the user running the vulnerable application, potentially leading to data theft, system manipulation, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation or arbitrary code execution when a user opens a malicious WRL file, potentially leading to malware installation or data exfiltration.

🟢

If Mitigated

Limited impact with proper application sandboxing, least privilege principles, and network segmentation preventing lateral movement.

🌐 Internet-Facing: LOW - These applications are typically not directly internet-facing and require user interaction with malicious files.
🏢 Internal Only: MEDIUM - Significant risk from internal threats or compromised users opening malicious files, especially in engineering/manufacturing environments.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction (opening malicious WRL file) and understanding of the out-of-bounds read vulnerability to achieve code execution.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Teamcenter Visualization V14.3.0.13, V2312.0009, V2406.0007, V2412.0002; Tecnomatix Plant Simulation V2302.0021, V2404.0010

Vendor Advisory: https://cert-portal.siemens.com/productcert/html/ssa-050438.html

Restart Required: No

Instructions:

1. Download the appropriate patch from Siemens support portal. 2. Apply the patch following Siemens installation instructions. 3. Verify the version is updated to the patched version.

🔧 Temporary Workarounds

Restrict WRL file processing

all

Block or restrict processing of WRL files through application configuration or file system permissions

User awareness training

all

Train users not to open WRL files from untrusted sources

🧯 If You Can't Patch

  • Implement application whitelisting to prevent unauthorized execution
  • Run applications with least privilege accounts and implement network segmentation

🔍 How to Verify

Check if Vulnerable:

Check the installed version against affected version ranges in the Siemens advisory

Check Version:

Check Help > About in the application interface or consult Siemens documentation for version checking

Verify Fix Applied:

Verify the application version matches or exceeds the patched versions listed in the advisory

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when processing WRL files
  • Unusual process creation from visualization applications

Network Indicators:

  • Unexpected outbound connections from visualization workstations

SIEM Query:

Process creation events from Teamcenter Visualization or Tecnomatix Plant Simulation followed by suspicious network activity

🔗 References

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