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ICSA-22-195-16  ·  Published 2022-07-12  ·  View on CISA ICS-CERT ↗

Siemens EN100 Ethernet Module

CVSS 8.6 HIGH

CVEs (1)

Remediations

  • Disable web service within the device configuration if it is not used
  • Currently no fix is planned
  • Update to V4.40 or later version
  • Block access to port 80/tcp and 443/tcp e.g. with an external firewall
  • Apply secure substation concept and Defense-in-Depth (see https://www.siemens.com/gridsecurity) or contact customer care to find specific solutions

Affected Vendors

Siemens

Affected Products (5)

Siemens · EN100 Ethernet module DNP3 IP variant vers:all/*
Siemens · EN100 Ethernet module IEC 104 variant vers:all/*
Siemens · EN100 Ethernet module IEC 61850 variant <V4.40
Siemens · EN100 Ethernet module Modbus TCP variant vers:all/*
Siemens · EN100 Ethernet module PROFINET IO variant vers:all/*

Affected Sectors

Multiple

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