CVE-2019-16871
First published: Thu 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Beckhoff TwinCAT Extended Automation Runtime | >=3.0<3.1 | |
| Beckhoff TwinCAT Extended Automation Runtime | =2.0 | |
| Beckhoff TwinCAT Extended Automation Runtime | =3.1-build_4022 | |
| Beckhoff TwinCAT Extended Automation Runtime | =3.1-build_4024.0 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
Can CVE-2019-16871 be exploited remotely?
Yes, CVE-2019-16871 can be exploited remotely through the Beckhoff ADS protocol.
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.
- agent/references
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
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- agent/description
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- agent/software-canonical-lookup-request
- vendor/beckhoff
- canonical/beckhoff twincat extended automation runtime
- version/beckhoff twincat extended automation runtime/3.0
- version/beckhoff twincat extended automation runtime/2.0
- version/beckhoff twincat extended automation runtime/3.1-build_4022
- version/beckhoff twincat extended automation runtime/3.1-build_4024.0