First published: Thu Dec 12 2019(Updated: )
A vulnerability has been identified in EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module IEC104 variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). An unauthorized user could exploit a buffer overflow vulnerability in the webserver. Specially crafted packets sent could cause a Denial-of-Service condition and if certain conditions are met, the affected devices must be restarted manually to fully recover. At the time of advisory publication no public exploitation of this security vulnerability was known.
Credit: productcert@siemens.com
Affected Software | Affected Version | How to fix |
---|---|---|
Siemens EN100 Ethernet Module DNP3 Firmware | ||
Siemens EN100 Ethernet Module IEC 61850 | <4.37 | |
Siemens EN100 Ethernet Module with Firmware variant IEC104 | ||
Siemens EN100 Ethernet Module with MODBUS TCP Firmware | ||
Siemens EN100 Ethernet module PROFINET IO Firmware | ||
siemens EN100 Ethernet module DNP3 |
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The vulnerability ID is CVE-2019-13942.
The severity level of CVE-2019-13942 is high with a CVSS score of 7.5.
Siemens EN100 Ethernet module with firmware variant DNP3 TCP, IEC 61850 (versions below 4.37), IEC104, Modbus TCP, and PROFINET IO are affected.
To fix CVE-2019-13942, it is recommended to follow the recommendations provided by Siemens in their advisory and apply the necessary security updates or patches.
More information about CVE-2019-13942 can be found on the Siemens productcert portal and the US-CERT ICS advisories.