CVE-2019-13942: Buffer Overflow
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2019-13942.
What is the severity level of CVE-2019-13942?
The severity level of CVE-2019-13942 is high with a CVSS score of 7.5.
Which Siemens Ethernet modules are affected by CVE-2019-13942?
Siemens EN100 Ethernet module with firmware variant DNP3 TCP, IEC 61850 (versions below 4.37), IEC104, Modbus TCP, and PROFINET IO are affected.
How can I fix CVE-2019-13942?
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.
Where can I find more information about CVE-2019-13942?
More information about CVE-2019-13942 can be found on the Siemens productcert portal and the US-CERT ICS advisories.