CVE-2019-13944 Path traversal in EN100 Ethernet module DNP3 variant
Unauthorized attackers can access sensitive device logs and configurations via the integrated web server of Siemens EN100 Ethernet modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-13944?
CVE-2019-13944 is a medium-severity path traversal vulnerability in Siemens AG EN100 Ethernet module DNP3 variant, published on 12 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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). A vulnerability in the integrated web server of the affected devices could allow unauthorized attackers to obtain sensitive information about the device, including logs and configurations. At the time of advisory publication no public exploitation of this security vulnerability was known.
Which versions are affected by CVE-2019-13944?
It affects 5 products.
Products include Siemens En100 Ethernet Module With Firmware Variant Dnp3 Tcp, Siemens En100 Ethernet Module With Firmware Variant Iec104, Siemens En100 Ethernet Module With Firmware Variant Iec 61850, Siemens En100 Ethernet Module With Firmware Variant Modbus Tcp, Siemens En100 Ethernet Module With Firmware Variant Profinet Io.
How do I fix CVE-2019-13944?
No fix has been published for CVE-2019-13944 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-13944 being exploited?
There is no known exploitation of CVE-2019-13944 in the wild and no public exploit code.
Other vulnerabilities in Siemens AG EN100 Ethernet module DNP3 variant
Sources
Also known as GHSA-hm36-8847-6hhf.