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Heap-based Buffer OverflowWeakness · CWE-122

CVE-2025-12659

HIGH · 7.8 CVSS v3.1 Published 2026-05-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
81/100
Remediation priority · High
No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Siemens Simcenter Femap contains a memory corruption vulnerability while parsing specially crafted IPT files. This could allow an attacker to execute code in the context of the current process.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Siemens Simcenter Femap contains a memory corruption vulnerability in its IPT file parser. When the application parses a specially crafted malicious IPT file, it triggers memory corruption that can lead to arbitrary code execution in the context of the current user process.

MitigationApply the vendor patch from Siemens when available. Until then, enforce strict file handling policies—do not open untrusted or unsolicited IPT files in Femap, and consider using application sandboxing or network isolation for affected systems.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Simcenter Femap installation
    Check for Femap installation by searching for the executable (typically at C:\Program Files\Siemens\Femap\Femap.exe or in the Windows Programs list)
    Affected if Femap is installed on the system
  2. Identify installed Femap version
    Right-click Femap.exe, select Properties, and check the File Version field, or launch Femap and go to Help > About Simcenter Femap
    Affected if Version cannot be determined or falls within an affected range (confirm against Siemens security advisory)
  3. Verify IPT file handling capability
    Check if .ipt files can be opened in Femap by attempting to import an IPT file or checking File > Open dialog for .ipt extension support
    Affected if IPT file parsing is enabled and functional in the installation
  4. Inspect recent Femap file access
    Review Windows Event Logs (Application log) or Femap's recent files list for any opened .ipt files from untrusted sources
    Affected if A malicious IPT file has been opened in the application

The system is affected if Siemens Simcenter Femap is installed and its IPT file parser has been used to open a specially crafted IPT file, leading to memory corruption.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the vendor patch from Siemens when available. Until then, enforce strict file handling policies—do not open untrusted or unsolicited IPT files in Femap, and consider using application sandboxing or network isolation for affected systems.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,120
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-12659 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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