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ICSA-21-131-12  ·  Published 2025-05-06  ·  View on CISA ICS-CERT ↗

Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)

CVSS 9.8 CRITICAL

Remediations

  • Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
  • Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
  • Update to V15.1 Update 6
  • Update to V16 Update 4 or later version
  • Restrict access to port 5900/tcp to trusted IP addresses only

Affected Vendors

Siemens

Affected Products (8)

Siemens · SIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants) <V15.1_Update_6
Siemens · SIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants) <V16_Update_4
Siemens · SIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants) <V15.1_Update_6
Siemens · SIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants) <V16_Update_4
Siemens · SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F <V15.1_Update_6
Siemens · SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F <V16_Update_4
Siemens · SIMATIC WinCC Runtime Advanced V15 <V15.1_Update_6
Siemens · SIMATIC WinCC Runtime Advanced V16 <V16_Update_4

Affected Sectors

Multiple

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