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ICSA-21-257-16  ·  Published 2025-05-06  ·  View on CISA ICS-CERT ↗

Siemens SIPROTEC 5 (Update A)

CVSS 7.5 HIGH

CVEs (1)

Remediations

  • Update to V8.80 or later version
  • Block access to port 4443/tcp e.g. with an external firewall

Affected Vendors

Siemens

Affected Products (3)

Siemens · SIPROTEC 5 relays with CPU variants CP050 <V8.80
Siemens · SIPROTEC 5 relays with CPU variants CP100 <V8.80
Siemens · SIPROTEC 5 relays with CPU variants CP300 <V8.80

Affected Sectors

Multiple

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