CyberzSOC

Publication detail
← Back to advisories & guidance

ICSA-26-111-04: Siemens Analytics Toolkit ↗ source

April 21, 2026 CISA ICS Advisory

Summary

Multiple Siemens applications are affected by improper certificate validation in Siemens Analytics Toolkit. This could allow an unauthenticated remote attacker to perform man in the middle attacks. Siemens has released new versions for the affected products and recommends to update to the latest versions. CVE-2025-40745: Affected applications do not properly validate client certificates to connect to Analytics Service endpoint. This could allow an unauthenticated remote attacker to perform man in the middle attacks.

Advisory Details CISA ICS CSAF feed

Advisory ID
ICSA-26-111-04
Status
Final · version 2
Initial release
2026-04-14
Last revised
2026-04-21 (2 revisions)
Vendor
Siemens
Critical infrastructure sectors
Critical Manufacturing
Deployed
Worldwide
Vendor headquarters
Germany

Republished vendor advisory. This ICSA is a verbatim republication of Siemens ProductCERT SSA-981622 from a direct conversion of the vendor's Common Security Advisory Framework (CSAF) advisory. This is republished to CISA's website as a means of increasing visibility and is provided "as-is" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory. Further, CISA…

General Recommendations: As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

Credit: Siemens ProductCERT

Affected products (7)
  • Siemens Software Center — <3.5.8.2
  • Simcenter 3D — <2506.6000
  • Simcenter Femap — <2506.0002
  • Simcenter STAR-CCM+ — <2602
  • Solid Edge SE2025 — <V225.0_Update_13
  • Solid Edge SE2026 — <V226.0_Update_04
  • Tecnomatix Plant Simulation — <2504.0008
Revision history (2)
  • 2026-04-21 — v2: Initial CISA Republication of Siemens ProductCERT SSA-981622 advisory
  • 2026-04-14 — v1: Publication Date

From CISA's machine-readable CSAF 2.0 advisory (JSON).

Vulnerabilities as Stated by the Advisory

CVEWeaknessCVSS v3Details
CVE-2025-40745 CWE-295 Improper Certificate Validation 3.7 Low CVE-2025-40745
Affected applications do not properly validate client certificates to connect to Analytics Service endpoint. This could allow an unauthenticated remote attacker to perform man in the middle attacks.

Vendor fix: Update to V225.0 Update 13 or later version ↗

Vendor fix: Update to V226.0 Update 04 or later version ↗

Vendor fix: Update to V2504.0008 or later version ↗

Affected, fixed & timeline

Affected:

  • Siemens Software Center <3.5.8.2
  • Simcenter 3D <2506.6000
  • Simcenter Femap <2506.0002
  • Simcenter STAR-CCM+ <2602
  • Solid Edge SE2025 <V225.0_Update_13
  • Solid Edge SE2026 <V226.0_Update_04
  • Tecnomatix Plant Simulation <2504.0008

Vendor fix: Update to V2506.0002 or later version

Vendor fix: Update to V2506.6000 or later version

Vendor fix: Update to V2602 or later version

Vendor fix: Update to V3.5.8.2 or later version

Scores and weakness types are as CISA or the republishing vendor stated them in this advisory; the linked CVE pages carry the independently enriched CVSS and SSVC assessments.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2025-40745 3.7 Low Siemens Siemens Software Center A vulnerability has been identified in Siemens Software Center (All versions < V3.5.8.2), Simcenter 3D (All versions < V2506.6000), Simcenter Femap (…

Named by the advisory itself. Each CVE links to its tracked detail page.

Vendors Named in This Publication

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.