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    CVE-2025-49643

    An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.

    Published:Dec 1, 2025
    Last Modified:Feb 6, 2026
    EPS:Dec 1, 2025
    EPSS Score:0.0002
    CVSS Score:6.5

    Affected Products

    Vendor
    Zabbix
    Product
    Frontend
    Vendor
    Zabbix
    Product
    Zabbix

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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