CVE-2019-16871: Critical severity beckhoff twincat extended automation runtime vulnerability
Published Dec 19, 2019
·Updated
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.
Affected Software
4 affected components
Beckhoff Twincat>=3.0<3.1
Beckhoff Twincat=2.0
Beckhoff Twincat=3.1-build_4022
Beckhoff Twincat=3.1-build_4024.0
Event History
Dec 19, 2019
CVE Published
via MITRE·08:42 PM
Data Sourced
via MITRE·08:42 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2019-16871?
CVE-2019-16871 is rated as critical due to its potential for Remote Code Execution as SYSTEM.
2
How do I fix CVE-2019-16871?
To mitigate CVE-2019-16871, users should update to a patched version of Beckhoff TwinCAT that addresses this vulnerability.
3
Which versions of Beckhoff TwinCAT are affected by CVE-2019-16871?
CVE-2019-16871 affects Beckhoff TwinCAT version 3.1.4024.0 and earlier, as well as version 2.0.
4
Can CVE-2019-16871 be exploited remotely?
Yes, CVE-2019-16871 can be exploited remotely through the Beckhoff ADS protocol.
5
What type of systems are vulnerable to CVE-2019-16871?
Beckhoff Embedded Windows PLCs and TwinCAT Engineering stations running affected software versions are vulnerable to CVE-2019-16871.