CVE-2019-16871 json
Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remot…
published 2019-12-19 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7378
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.3%
- EPSS 5.3% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- beckhoff twincat 3.1
Exploit prediction
5.30% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- ic4.be https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
ic4.be
/2019/12/18/beckhoff-cve-2019-16871/#more-648
exploit, third-party-advisory
-
download.beckhoff.com
/download/document/product-security/Advisories/advisory-2017-001.pdf
vendor-advisory
Sources
- CVE List CVE-2019-16871
- NVD CVE-2019-16871
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