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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
beckhofftwincat
3.0 ≤
𝑥
< 3.1
beckhofftwincat
2.0
beckhofftwincat
3.1:build_4022
beckhofftwincat
3.1:build_4024.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdf
https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648
https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdf
https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648