CVE-2019-16871 describes a critical remote code execution vulnerability affecting Beckhoff Embedded Windows PLCs (up to version 3.1.4024.0) and Beckhoff TwinCAT on Windows Engineering stations. An unauthenticated attacker can exploit this flaw via the Beckhoff ADS protocol to gain SYSTEM-level privileges. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high FAUCET Risk Score of 85/100 indicates its significant potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0, < 3.1CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:*:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:2.0:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:3.1:build_4022:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:a:beckhoff:twincat:3.1:build_4024.0:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.