Vulnerability Monitor

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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.

Published

2019-12-19T21:15:13.573

Last Modified

2024-11-21T04:31:14.783

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-290

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	beckhoff	twincat	< 3.1	Yes
Application	beckhoff	twincat	2.0	Yes
Application	beckhoff	twincat	3.1	Yes
Application	beckhoff	twincat	3.1	Yes

References

https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdf Vendor Advisory ([email protected])
https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648 Exploit, Third Party Advisory ([email protected])
https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)