CVE-2017-12069

High

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.

SeverityHigh
CVSS8.2
Exploit probability—
ProductSiemens Simatic
PublishedAug 30, 2017
First seenAug 30, 2017

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
siemens simatic_pcs7v ≤ 8.1—
siemens winccv ≤ 7.4—
ocpfoundation local_discovery_serverv ≤ 1.01.333.0—
ocpfoundation ua_.netv ≤ 2017-03-21—

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