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    CVE-2021-21739

    A ZTE's product of the transport network access layer has a security vulnerability. Because the system does not sufficiently verify the data reliability, attackers could replace an authenticated optical module on the equipment with an unauthenticated one, bypassing system authentication and detection, thus affecting signal transmission. This affects: <ZXCTN 6120H><V5.10.00B24>

    Published:Aug 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 5, 2021
    EPSS Score:0.00022
    CVSS Score:4.6

    Affected Products

    Vendor
    Zte
    Product
    Zxctn 6120h
    Vendor
    Zte
    Product
    Zxctn 6120h Firmware

    Exploits

    No exploit reference

    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