CVE-2019-13943

Description

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). The web interface could allow Cross-Site Scripting (XSS) attacks if an attacker is able to modify content of particular web pages, causing the application to behave in unexpected ways for legitimate users. Successful exploitation does not require for an attacker to be authenticated to the web interface. This could allow the attacker to read or modify contents of the web application. At the time of advisory publication no public exploitation of this security. vulnerability was known.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory siemens.com
Affected: Siemens AG EN100 Ethernet module DNP3 variant
Affected: Siemens AG EN100 Ethernet module IEC 61850 variant
Affected: Siemens AG EN100 Ethernet module IEC104 variant
Affected: Siemens AG EN100 Ethernet module Modbus TCP variant
Affected: Siemens AG EN100 Ethernet module PROFINET IO variant
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdf vendor advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-07 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2019-13943?
CVE-2019-13943 has been scored as a medium severity vulnerability.
How to fix CVE-2019-13943?
To fix CVE-2019-13943, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-13943 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-13943 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-13943?
CVE-2019-13943 affects Siemens AG EN100 Ethernet module DNP3 variant, Siemens AG EN100 Ethernet module IEC 61850 variant, Siemens AG EN100 Ethernet module IEC104 variant, Siemens AG EN100 Ethernet module Modbus TCP variant, Siemens AG EN100 Ethernet module PROFINET IO variant.
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