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    CVE-2021-40873

    An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.

    Published:Nov 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 10, 2021
    EPSS Score:0.00628
    CVSS Score:7.5

    Affected Products

    Vendor
    Softing
    Product
    Datafeed Opc Suite
    Vendor
    Softing
    Product
    Edgeconnector
    Vendor
    Softing
    Product
    Opc
    Vendor
    Softing
    Product
    Secure Integration Server
    Vendor
    Softing
    Product
    Th Scope
    Vendor
    Softing
    Product
    Uagates
    Vendor
    Softing
    Product
    Uatoolkit Embedded

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-415 Double Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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