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    CVE-2020-36894

    Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.

    Published:Dec 10, 2025
    Last Modified:Apr 7, 2026
    EPS:Dec 10, 2025
    EPSS Score:0.00583
    CVSS Score:7.5

    Affected Products

    Vendor
    Eibiz
    Product
    I-media Server Digital Signage

    Exploits

    https://www.exploit-db.com/exploits/48763https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.phphttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5586.php

    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