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CVE-2024-32637 Siemens CVE debrief

A null pointer dereference vulnerability exists in Siemens JT2Go and Teamcenter Visualization products when parsing specially crafted X_T files. An attacker can exploit this flaw to crash the affected application, resulting in a denial of service condition. The vulnerability requires local access and user interaction, with a CVSS 3.1 score of 3.3 (Low severity). The issue was disclosed on August 13, 2024, with vendor fixes available for all affected product versions.

Vendor
Siemens
Product
JT2Go
CVSS
LOW 3.3
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

Engineering teams using Siemens JT2Go or Teamcenter Visualization for CAD file review; OT security teams managing product lifecycle management (PLM) environments; organizations with supply chain partners exchanging X_T format files

Technical summary

The vulnerability stems from improper null pointer handling during the parsing of X_T (Parasolid text format) files in Siemens visualization applications. When a malformed X_T file is processed, the application dereferences a null pointer, causing an immediate crash. This is a local attack vector requiring user interaction to open a malicious file. The impact is limited to availability (application crash) with no confidentiality or integrity effects. The low CVSS score reflects the need for user interaction and local access, though in engineering environments with shared CAD files, the attack surface may be broader than the score suggests.

Defensive priority

low

Recommended defensive actions

  • Apply vendor patches: 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
  • Implement user training to avoid opening untrusted X_T files from unknown sources
  • Consider network segmentation for systems running affected visualization software
  • Monitor for unexpected application crashes as potential indicators of exploitation attempts

Evidence notes

The vulnerability is documented in CISA ICS Advisory ICSA-24-228-03, which references Siemens Security Advisory SSA-856475. The affected products are JT2Go and multiple versions of Teamcenter Visualization (V14.2, V14.3, V2312). The root cause is a null pointer dereference during X_T file parsing.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-32637 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-32637

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-32637 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-32637

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-228-03.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-856475.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-856475.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-228-03

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.