Security readout for executives and security teams
Plain-English summary
CVE-2022-39151 affects Siemens Parasolid and Simcenter Femap versions that process Parasolid X_T files. A maliciously crafted file can corrupt memory and may let code run as the user who opens it. The main business risk is compromise of engineering workstations through untrusted CAD/CAE file exchange.
Executive priority
Treat this as a high-priority workstation exposure for engineering environments, especially where external design files are routine. It is not described as remotely exploitable over the internet, but successful exploitation could give an attacker code execution on valuable design systems.
Technical view
The issue is a CWE-787 out-of-bounds write while parsing specially crafted X_T files. CVSS 3.1 is 7.8: local attack vector, low complexity, no privileges required, and user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on engineering, CAD, CAE, or product-design systems running affected Siemens Parasolid or Simcenter Femap versions and opening X_T files from partners, suppliers, customers, or shared repositories.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires a user or workflow to process a specially crafted X_T file, so email, supplier portals, shared drives, or project repositories are plausible delivery paths.
Researcher notes
Do not infer broader product impact beyond the listed Siemens versions. The source data identifies X_T parsing and process-context code execution potential, but does not provide public exploit evidence, exploit maturity, or detailed compensating controls beyond vendor update guidance.
Mitigation direction
- Upgrade affected Parasolid and Simcenter Femap versions to Siemens-supported fixed versions or later.
- Check Siemens SSA-518824 for exact product-specific update guidance before deployment.
- Restrict X_T file opening to trusted sources until updates are complete.
- Prioritize systems that receive CAD or CAE files from outside the organization.
- Use endpoint controls to reduce impact if a CAD application process is compromised.
Validation and detection
- Inventory installed Parasolid and Simcenter Femap versions across engineering workstations.
- Compare versions against the affected ranges listed for CVE-2022-39151.
- Identify workflows that import or preview X_T files from external parties.
- Confirm patched systems no longer fall within the listed vulnerable version ranges.
- Review endpoint telemetry for unusual crashes in affected applications around X_T handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-39151 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://cert-portal.siemens.com/productcert/pdf/ssa-518824.pdfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.