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ICSA-22-286-04  ·  Published 2022-10-11  ·  View on CISA ICS-CERT ↗

Siemens SIMATIC S7-1200 and S7-1500 CPU Families

CVSS 9.3 CRITICAL

CVEs (1)

Remediations

  • Use legacy (i.e., not TLS-based) PG/PC and HMI communication only in trusted network environments
  • Protect access to the TIA Portal project and CPU (including related memory cards) from unauthorized actors
  • Currently no fix is planned
  • Update to V2.9.2 or later version, migrate project in TIA Portal to this version and redeploy.
  • Within the project, configure the CPU to "Only allow secure PG/PC and HMI communication"
  • Update to V21.9 or later version, migrate project in TIA Portal to this version and redeploy.
  • Update to V4.5.0 or later version, migrate project in TIA Portal to this version and redeploy.
  • Update to V4.0 or later version, migrate project in TIA Portal to the corresponding version and redeploy.

Affected Vendors

Siemens

Affected Products (7)

Siemens · SIMATIC Drive Controller family <V2.9.2
Siemens · SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) vers:all/*
Siemens · SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) <V21.9
Siemens · SIMATIC S7-1200 CPU family (incl. SIPLUS variants) <V4.5.0
Siemens · SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) <V2.9.2
Siemens · SIMATIC S7-1500 Software Controller <V21.9
Siemens · SIMATIC S7-PLCSIM Advanced <V4.0

Affected Sectors

Multiple

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