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PatchSiren cyber security CVE debrief

CVE-2025-25266 Siemens CVE debrief

CVE-2025-25266 is a medium-severity access-control issue in Siemens Tecnomatix Plant Simulation that can allow unauthorized file deletion. CISA’s advisory describes the problem as insufficient restriction on file deletion functionality, which could lead to data loss or modification of system files. Siemens and CISA list fixed versions for both affected release trains.

Vendor
Siemens
Product
Tecnomatix Plant Simulation V2302
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2025-03-11
Original CVE updated
2025-05-06
Advisory published
2025-03-11
Advisory updated
2025-05-06

Who should care

Administrators and engineers responsible for Siemens Tecnomatix Plant Simulation V2302 or V2404, as well as OT/ICS security teams, endpoint administrators, and vulnerability management teams that support engineering workstations or other systems running the application.

Technical summary

The advisory states that the application does not properly restrict access to file deletion functionality. The CVSS vector provided by the source is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L, indicating a local attack vector with no privileges or user interaction required. The primary impact is integrity loss through unauthorized deletion of files, with potential secondary availability impact. The source corpus does not indicate public exploitation or KEV listing.

Defensive priority

Medium. Patch promptly on any system running the affected product, especially shared engineering workstations or environments where local access is not tightly controlled.

Recommended defensive actions

  • Update Siemens Tecnomatix Plant Simulation V2302 to V2302.0021 or later.
  • Update Siemens Tecnomatix Plant Simulation V2404 to V2404.0010 or later.
  • Inventory systems to confirm whether V2302 or V2404 is installed before scheduling remediation.
  • Restrict local access to affected systems and follow least-privilege practices for users who do not need file-management capabilities.
  • Use defense-in-depth controls recommended for industrial control environments, including backup and recovery planning and integrity monitoring where appropriate.
  • Review access controls and administrative separation on engineering workstations and other shared endpoints that may run the application.

Evidence notes

The vulnerability description, affected products, CVSS vector, publication date, modification date, and remediation versions are taken from the supplied CISA CSAF source item for ICSA-25-072-08 and its linked Siemens advisory references. The advisory was published on 2025-03-11 and revised on 2025-05-06 for typo fixes only. The corpus shows no KEV listing and no known ransomware campaign use.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-25266 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-25266

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

  • CVE-2025-25266 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-25266

    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/2025/icsa-25-072-08.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-507653.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-507653.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-072-08

    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.