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    CVE-2021-4040

    A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages. The highest threat from this vulnerability is system availability.

    Published:Nov 19, 2021
    Last Modified:Jun 15, 2026
    EPS:Aug 24, 2022
    EPSS Score:0.02409
    CVSS Score:5.3

    Affected Products

    Vendor
    Apache
    Product
    Artemis
    Vendor
    Redhat
    Product
    Amq Broker

    Exploits

    No exploit reference

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    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