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    CVE-2024-33862

    A buffer-management vulnerability in OPC Foundation OPCFoundation.NetStandard.Opc.Ua.Core before 1.05.374.54 could allow remote attackers to exhaust memory resources. It is triggered when the system receives an excessive number of messages from a remote source. This could potentially lead to a denial of service (DoS) condition, disrupting the normal operation of the system.

    Published:Jul 5, 2024
    Last Modified:Apr 15, 2026
    EPS:Jul 5, 2024
    EPSS Score:0.00644
    CVSS Score:7.5

    Affected Products

    Vendor
    Opcfoundation
    Product
    Ua-.netstandard

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2023-31048 (CVSS 5.3) — The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error messag…
    CVE-2020-29457 (CVSS 4.4) — A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application …
    CVE-2019-19135 (CVSS 7.4) — In OPC Foundation OPC UA .NET Standard codebase 1.4.357.28, servers do not create sufficiently random numbers …
    CVE-2018-12087 (CVSS 5.3) — Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allow…
    CVE-2018-7559 (CVSS 5.3) — An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC…

    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