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CVE-2024-32066 Siemens CVE debrief

CVE-2024-32066 is a high-severity out-of-bounds read vulnerability in Siemens Simcenter Femap, published on July 9, 2024. The flaw occurs when parsing specially crafted IGS (Initial Graphics Exchange Specification) files, allowing an attacker to execute arbitrary code in the context of the current process. The vulnerability was reported through the Zero Day Initiative (ZDI-CAN-21578) and affects Simcenter Femap versions prior to V2406. The CVSS 3.1 score of 7.8 reflects high impacts to confidentiality, integrity, and availability, with a local attack vector requiring user interaction through opening a malicious file. Siemens has released V2406 as a vendor fix, and CISA recommends defensive measures including avoiding untrusted IGS, BDF, and BMP files.

Vendor
Siemens
Product
Simcenter Femap
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 Simcenter Femap for finite element analysis and CAD preprocessing, particularly in engineering, manufacturing, aerospace, and automotive industries. Security teams in OT/ICS environments where Simcenter Femap is deployed should prioritize patching due to the high severity and potential for code execution through a common file exchange format.

Technical summary

The vulnerability stems from improper bounds checking during parsing of IGS (Initial Graphics Exchange Specification) files in Simcenter Femap. When a specially crafted IGS file is opened, the application reads beyond the allocated buffer boundary, potentially corrupting memory and enabling arbitrary code execution within the process context. The attack requires local access and user interaction to open the malicious file, with no privileges required. The fix in V2406 addresses the parsing logic to properly validate buffer boundaries during IGS file processing.

Defensive priority

HIGH

Recommended defensive actions

  • Update Simcenter Femap to V2406 or later version through Siemens support portal
  • Implement file handling policies to prevent opening untrusted IGS, BDF, and BMP files in Simcenter Femap
  • Apply defense-in-depth strategies for industrial control systems environments per CISA guidance
  • Review and restrict file import workflows to trusted sources only
  • Monitor for anomalous process behavior when handling CAD file imports

Evidence notes

Vulnerability disclosed via CISA ICS advisory ICSA-24-193-04 and Siemens security advisory SSA-064222. ZDI reference ZDI-CAN-21578 indicates coordinated disclosure through Trend Micro's Zero Day Initiative.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-32066 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-32066

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

  • CVE-2024-32066 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-32066

    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-24-193-04.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-064222.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-064222.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/pdf/ssa-064222.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/txt/ssa-064222.txt

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-193-04

    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

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.