VulnerabilityModified
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.
CRITICAL 9.8EPSS 5.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.30% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- beckhoff/twincat
- Source
- cve@mitre.org
References
- https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdfVendor Advisory
- https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648Exploit, Third Party Advisory
- https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdfVendor Advisory
- https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.