Path traversal in Siemens products - CVE-2019-13944
Published: December 13, 2019
Vulnerability identifier: #VU23594
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-13944
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module DNP3 TCP variant
EN100 Ethernet module IEC 104 variant
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module DNP3 TCP variant
EN100 Ethernet module IEC 104 variant
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists in the integrated web server due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and obtain sensitive information about the device, such as logs and configurations.
How to mitigate CVE-2019-13944
Install updates from vendor's website.