CVE-2022-43397 — A vulnerability has been identified in Parasolid V34

A vulnerability has been identified in Parasolid V34.0 (All versions < V34.0.252), Parasolid V34.1 (All versions < V34.1.242), Parasolid V35.0 (All versions < V35.0.170), Simcenter Femap (All versions < V2023.1). The affected application contains an out of bounds writ

01What is this vulnerability?

A vulnerability has been identified in Parasolid V34.0 (All versions < V34.0.252), Parasolid V34.1 (All versions < V34.1.242), Parasolid V35.0 (All versions < V35.0.170), Simcenter Femap (All versions < V2023.1). The affected application contains an out of bounds write past the end of an allocated buffer while parsing specially crafted X_T files. This could allow an attacker to execute code in…

02Affected products

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-08T00:00:00.000Z
• Last modified: 2025-04-21T13:46:27.727Z

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-853037.pdf
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-565356.pdf