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    CVE-2023-53873

    SyncBreeze 15.2.24 contains a denial of service vulnerability in the login authentication mechanism that allows attackers to crash the service. Attackers can send an oversized password parameter with repeated 'password=' values to overwhelm the login endpoint and potentially disrupt service availability.

    Published:Dec 15, 2025
    Last Modified:Apr 15, 2026
    EPS:Dec 15, 2025
    EPSS Score:0.00154
    CVSS Score:8.7

    Affected Products

    Vendor
    Flexense
    Product
    Syncbreeze

    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