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    CVE-2021-40142

    In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.

    Published:Aug 27, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 27, 2021
    EPSS Score:0.00587
    CVSS Score:7.5

    Affected Products

    Vendor
    Opcfoundation
    Product
    Local Discover Server
    Vendor
    Siemens
    Product
    Simatic Net Pc
    Vendor
    Siemens
    Product
    Simatic Process Historian Opc Ua Server
    Vendor
    Siemens
    Product
    Simatic Process Historian Opc Ua Server Firmware
    Vendor
    Siemens
    Product
    Simatic Wincc
    Vendor
    Siemens
    Product
    Simatic Wincc Runtime
    Vendor
    Siemens
    Product
    Simatic Wincc Unified Scada Runtime
    Vendor
    Siemens
    Product
    Telecontrol Server Basic

    Exploits

    No exploit reference

    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