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CVE-2024-32636 Siemens CVE debrief

CVE-2024-32636 is a high-severity out-of-bounds read vulnerability in Siemens JT2Go and Teamcenter Visualization products, published on 2024-08-13. The flaw occurs when parsing specially crafted X_T (Parasolid) files, allowing an attacker to execute arbitrary code in the context of the current process. The vulnerability affects JT2Go and multiple versions of Teamcenter Visualization (V14.2, V14.3, and V2312). Siemens has released patched versions for all affected products, and CISA has issued advisory ICSA-24-228-03 coordinating public disclosure. The attack requires local access with user interaction, as victims must open a malicious X_T file. Organizations using these applications for 3D visualization and CAD data exchange should prioritize patching, particularly in environments where external X_T files are routinely processed.

Vendor
Siemens
Product
JT2Go
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-05-14
Original CVE updated
2024-05-14
Advisory published
2024-05-14
Advisory updated
2024-05-14

Who should care

Organizations using Siemens JT2Go or Teamcenter Visualization for engineering design review, manufacturing planning, or supply chain collaboration. Particularly relevant for industrial and manufacturing sectors where X_T file exchange is common between OEMs and suppliers. Security teams in environments with CAD/CAM/CAE workflows should assess exposure.

Technical summary

The vulnerability stems from insufficient bounds checking during X_T file parsing in Siemens visualization applications. When processing a malformed Parasolid X_T file, the application reads beyond allocated memory structures, potentially corrupting memory and enabling arbitrary code execution. The attack surface is limited by the requirement for user interaction—victims must explicitly open the malicious file. The CVSS 3.1 score of 7.8 reflects high impacts to confidentiality, integrity, and availability, though the local attack vector and required user interaction reduce exploitability compared to network-accessible vulnerabilities.

Defensive priority

high

Recommended defensive actions

  • Update JT2Go to V2312.0005 or later
  • Update Teamcenter Visualization V14.2 to V14.2.0.12 or later
  • Update Teamcenter Visualization V14.3 to V14.3.0.10 or later
  • Update Teamcenter Visualization V2312 to V2312.0005 or later
  • Implement user training to avoid opening untrusted X_T files from unknown sources
  • Consider application sandboxing or restricted execution environments for CAD visualization tools
  • Monitor for suspicious X_T file handling in endpoint detection systems

Evidence notes

Vulnerability confirmed in CSAF advisory from CISA with Siemens as vendor. Affected products explicitly listed with specific patched versions. CVSS 3.1 vector confirms local attack vector requiring user interaction.

Official resources

Coordinated disclosure via CISA ICS advisory ICSA-24-228-03 and Siemens ProductCERT on 2024-08-13.