#VU34950 Input validation error in TwinCAT - CVE-2019-16871

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU34950

#VU34950 Input validation error in TwinCAT - CVE-2019-16871

Published: December 19, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU34950
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-16871
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
TwinCAT
Software vendor:
Beckhoff

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.


Remediation

Install update from vendor's website.

External links