Description
An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before 2017-03-21 and Local Discovery Server (LDS) before 1.03.367. Among the affected products are Siemens SIMATIC PCS7 (All versions V8.1 and earlier), SIMATIC WinCC (All versions < V7.4 SP1), SIMATIC WinCC Runtime Professional (All versions < V14 SP1), SIMATIC NET PC Software, and SIMATIC IT Production Suite. By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker.
Metrics
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Aug 30, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified