CVE-2019-13942

Name: CVE-2019-13942
Creator: NVD / NIST
Published: 2019-12-12T19:15:14.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.95%

Last modified Jun 17, 2026

CVE-2019-13942 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.95% chance of exploitation in the next 30 days.

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). 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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.95%

77.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	En100 Ethernet Module With Firmware Variant Dnp3 Tcp	All versions
Siemens	En100 Ethernet Module With Firmware Variant Iec 61850	< 4.37
Siemens	En100 Ethernet Module With Firmware Variant Iec104	All versions
Siemens	En100 Ethernet Module With Firmware Variant Modbus Tcp	All versions
Siemens	En100 Ethernet Module With Firmware Variant Profinet Io	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdfVendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-07Third Party Advisory, US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdfVendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-07Third Party Advisory, US Government Resource

Timeline

Published: Dec 12, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13942?

How severe is CVE-2019-13942?

CVE-2019-13942 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.95% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13942?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13942?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST