ICSA-21-131-11
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Published 2025-05-06
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View on CISA ICS-CERT ↗
Siemens SIMATIC UltraVNC HMI WinCC Products
CVSS 9.8
CRITICAL
CVEs (10)
Remediations
- 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 V16 Update 4 or later version
- Restrict access to port 5900/tcp to trusted IP addresses only
Affected Vendors
Siemens
Affected Products (4)
Siemens
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SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants)
<V16_Update_4
Siemens
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SIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants)
<V16_Update_4
Siemens
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SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F
<V16_Update_4
Siemens
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SIMATIC WinCC Runtime Advanced
<V16_Update_4
Affected Sectors
Multiple
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