ICSA-19-038-02

icsaUScisa_csaf_ot

ICSA-19-038-02 Siemens EN100 Ethernet Module

view advisory published 2019-01-08

CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.

01

describes (2)

Related CVEs.

IDseverity exploitable
CVE-2018-11452UShigh7.5—
A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module (All versions < V4.33), Firmware variant PROFINET IO for EN100 Ethernet module (All vers…
CVE-2018-11451UShigh7.5—
A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module (All versions < V4.33), Firmware variant PROFINET IO for EN100 Ethernet module (All vers…
02

references

External citations — patches, advisories, analysis.

03

remediations (4)

  • MitigationFirmware variant IEC 61850 for EN100 Ethernet module

    Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Block access to port 102/TCP e.g. with an external firewall.

  • MitigationFirmware variant IEC 61850 for EN100 Ethernet module

    Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Block access to port 102/TCP e.g. with an external firewall.

  • FixedFirmware variant IEC 61850 for EN100 Ethernet module

    Update to V4.33. Applying the update causes the module to go through a single restart cycle. - Download: https://support.industry.siemens.com/cs/us/en/view/109745821

    https://support.industry.siemens.com/cs/us/en/view/109745821
  • FixedFirmware variant IEC 61850 for EN100 Ethernet module

    Update to V4.33. Applying the update causes the module to go through a single restart cycle. - Download: https://support.industry.siemens.com/cs/us/en/view/109745821

    https://support.industry.siemens.com/cs/us/en/view/109745821
scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan