Input validation error in SIMATIC TDC CP51M1 - CVE-2019-10937

 

Input validation error in SIMATIC TDC CP51M1 - CVE-2019-10937

Published: September 11, 2019


Vulnerability identifier: #VU21051
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-10937
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
SIMATIC TDC CP51M1

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing UDP traffic. A remote attacker can send a specially crafted UDP packet, affect the UDP communication and cause a denial of service condition on the target system.


How to mitigate CVE-2019-10937

Install updates from vendor's website.

Sources