CVE-2019-16871
CRITICALCVSS 9.8/10EPSS 5.30%
Last modified
CVE-2019-16871 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 5.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Beckhoff | Twincat | >= 3.0, < 3.1 | — |
| Beckhoff | Twincat | 2.0 | — |
| Beckhoff | Twincat | 3.1 | Build 4022 |
References
- https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648Exploit, Third Party Advisory
- https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16871?
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.
How severe is CVE-2019-16871?
CVE-2019-16871 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.30% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16871?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-16871?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST