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    CVE-2020-5763

    Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.

    Published:Jul 29, 2020
    Last Modified:Nov 21, 2024
    EPS:Jul 29, 2020
    EPSS Score:0.01312
    CVSS Score:8.8

    Affected Products

    Vendor
    Grandstream
    Product
    Ht801
    Vendor
    Grandstream
    Product
    Ht801 Firmware
    Vendor
    Grandstream
    Product
    Ht802
    Vendor
    Grandstream
    Product
    Ht802 Firmware
    Vendor
    Grandstream
    Product
    Ht812
    Vendor
    Grandstream
    Product
    Ht812 Firmware
    Vendor
    Grandstream
    Product
    Ht813
    Vendor
    Grandstream
    Product
    Ht813 Firmware
    Vendor
    Grandstream
    Product
    Ht814
    Vendor
    Grandstream
    Product
    Ht814 Firmware
    Vendor
    Grandstream
    Product
    Ht818
    Vendor
    Grandstream
    Product
    Ht818 Firmware

    Exploits

    https://www.tenable.com/security/research/tra-2020-43https://www.tenable.com/security/research/tra-2020-43

    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