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CVE-2024-26277 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 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). Siemens has released patched versions for all affected product lines.

Vendor
Siemens
Product
JT2Go
CVSS
LOW 3.3
CISA KEV
Not listed in stored evidence
Original CVE published
2024-04-09
Original CVE updated
2024-04-09
Advisory published
2024-04-09
Advisory updated
2024-04-09

Who should care

Organizations using Siemens JT2Go or Teamcenter Visualization for CAD file review and collaboration, particularly in industrial and manufacturing environments where X_T file exchange is common.

Technical summary

The vulnerability stems from improper null pointer handling during parsing of X_T (Parasolid text format) files in Siemens visualization software. 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 crash results in loss of availability for the application but does not provide confidentiality or integrity impacts.

Defensive priority

routine

Recommended defensive actions

  • Update JT2Go to V2312.0004 or later
  • Update Teamcenter Visualization V14.2 to V14.2.0.12 or later
  • Update Teamcenter Visualization V14.3 to V14.3.0.9 or later
  • Update Teamcenter Visualization V2312 to V2312.0004 or later
  • Avoid opening untrusted X_T files in affected applications until patches are applied

Evidence notes

Vulnerability disclosed via CISA ICS advisory ICSA-24-165-08 on 2024-06-11. Advisory updated 2024-08-13 to add fix version for Teamcenter Visualization V14.2.0.12. Vendor fix versions confirmed in CSAF remediation data.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-26277 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-26277

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

  • CVE-2024-26277 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-26277

    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-24-165-08.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-771940.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-771940.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-08

    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.