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    CVE-2017-12069

    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.

    Published:Aug 30, 2017
    Last Modified:Apr 20, 2025
    EPS:Aug 30, 2017
    EPSS Score:0.00937
    CVSS Score:8.2

    Affected Products

    Vendor
    Ocpfoundation
    Product
    Local Discovery Server
    Vendor
    Ocpfoundation
    Product
    Ua .net
    Vendor
    Siemens
    Product
    Simatic Pcs7
    Vendor
    Siemens
    Product
    Wincc

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High