Cross-site scripting in Siemens products - CVE-2019-13943
Published: December 13, 2019
Vulnerability identifier: #VU23593
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2019-13943
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the web interface. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
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 PROFINET IO variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module DNP3 TCP variant
EN100 Ethernet module IEC 104 variant
How to mitigate CVE-2019-13943
Install updates from vendor's website.
EN100 Ethernet module IEC 61850 variant - update to 4.37