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.
2017-08-30T19:29:00.210
2025-04-20T01:37:25.860
Deferred
CVSSv3.0: 8.2 (HIGH)
AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | siemens | simatic_pcs7 | ≤ 8.1 | Yes |
Application | siemens | wincc | ≤ 7.4 | Yes |
Application | ocpfoundation | local_discovery_server | ≤ 1.01.333.0 | Yes |
Application | ocpfoundation | ua_.net | ≤ 2017-03-21 | Yes |