ICSA-18-067-02

icsaUScisa_csaf_ot

ICSA-18-067-02_Siemens SIPROTEC 4, SIPROTEC Compact, and Reyrolle Devices using the EN100 Ethernet Communication Module Extension (Update B)

view advisory published 2018-03-08

Ilya Karpov and Dmitry Sklyarov from Positive Technologies reported this vulnerability to Siemens.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2018-4838UShigh7.5OT elevated—
A vulnerability has been identified in EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module DNP3 variant (All versions < V1.04), EN100 Ethernet mod…
02

references

External citations — patches, advisories, analysis.

03

remediations (5)

  • MitigationEN100 Ethernet module DNP3 variant

    For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.

  • MitigationEN100 Ethernet module IEC 104 variant

    For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.

  • MitigationEN100 Ethernet module IEC 61850 variant

    For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.

  • MitigationEN100 Ethernet module Modbus TCP variant

    For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.

  • MitigationEN100 Ethernet module PROFINET IO variant

    For all other affected products, Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g., firewalls, segmentation, VPN). It is advised to configure the environment according to Siemens ' operational guidelines in order to run the devices in a protected IT environment.

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