VULNERABILITY INTELLIGENCE

CVE-2019-16871

CVSS score9.8 CRITICAL
EPSS probability5.30%
CISA KEVNot currently listed
Published2019-12-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-290: Authentication Bypass by Spoofing

Primary references