CVE-2025-40936
📋 TL;DR
An out-of-bounds read vulnerability in the PS/IGES Parasolid Translator Component allows attackers to crash applications or execute arbitrary code by providing specially crafted IGS files. This affects all versions before V29.0.258 of Siemens' Parasolid-based software. Users of affected Siemens CAD/CAM/CAE applications are at risk.
💻 Affected Systems
- Siemens Parasolid-based CAD/CAM/CAE applications using PS/IGES translator
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Application crashes causing denial of service and potential data loss in engineering workflows.
If Mitigated
Limited impact with proper file validation and restricted user privileges.
🎯 Exploit Status
Exploitation requires user to open malicious IGS file. No public exploit available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: V29.0.258 or later
Vendor Advisory: https://cert-portal.siemens.com/productcert/html/ssa-241605.html
Restart Required: Yes
Instructions:
1. Identify affected Siemens software installations. 2. Download and install update V29.0.258 or later from Siemens support portal. 3. Restart affected applications and systems. 4. Verify patch installation.
🔧 Temporary Workarounds
Restrict IGS file processing
allBlock or sandbox processing of IGS/IGES files from untrusted sources
Application hardening
windowsRun affected applications with minimal privileges and enable DEP/ASLR
🧯 If You Can't Patch
- Implement strict file validation for IGS/IGES files before processing
- Isolate engineering workstations and restrict network access
🔍 How to Verify
Check if Vulnerable:
Check software version in application about dialog or installation detailsCheck Version:
Application-specific (check Help > About or installation properties)Verify Fix Applied:
Confirm version is V29.0.258 or later and test with known safe IGS files📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing IGS files
- Memory access violation errors in application logs
Network Indicators:
- Unexpected IGS file transfers to engineering systems
SIEM Query:
source="application_logs" AND ("access violation" OR "out of bounds" OR "IGS" AND "crash")