CVE-2017-12069 describes an XML External Entity (XXE) vulnerability in OPC Foundation UA .NET Sample Code and Local Discovery Server (LDS), impacting various Siemens SIMATIC products including PCS7 and WinCC. An unauthenticated attacker can exploit this by sending specially crafted packets to port 4840/tcp, leading to information disclosure (C) and denial of service (A). With a CVSS score of 8.2 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered significant community discussion and media coverage, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.1CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_pcs7:*:*:*:*:*:*:*:* | ||
<= 7.4CPE matchmatch criteria | cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:* | ||
<= 1.01.333.0CPE matchmatch criteria | cpe:2.3:a:ocpfoundation:local_discovery_server:*:*:*:*:*:*:*:* | ||
<= 2017-03-21CPE matchmatch criteria | cpe:2.3:a:ocpfoundation:ua_.net:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.