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    CVE-2021-20138

    An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router’s web interface at /cgi-bin/luci/rc. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the web interface.

    Published:Dec 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 9, 2021
    EPSS Score:0.08179
    CVSS Score:8.8

    Affected Products

    Vendor
    Gryphonconnect
    Product
    Gryphon Tower
    Vendor
    Gryphonconnect
    Product
    Gryphon Tower Firmware

    Exploits

    https://www.tenable.com/security/research/tra-2021-51https://www.tenable.com/security/research/tra-2021-51https://github.com/ShaikUsaf/frameworks_base_AOSP10_r33_CVE-2021-20138

    Related CVEs

    CVE-2021-20139 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 3 in the controller_s…
    CVE-2021-20137 (CVSS 6.1) — A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ p…
    CVE-2021-20142 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 41 in the controller_…
    CVE-2021-20141 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 32 in the controller_…
    CVE-2021-20140 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 10 in the controller_…
    CVE-2021-20146 (CVSS 9.8) — An unprotected ssh private key exists on the Gryphon devices which could be used to achieve root access to a s…
    CVE-2021-20145 (CVSS 7.5) — Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to th…
    CVE-2021-20144 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 49 in the controller_…
    CVE-2021-20143 (CVSS 8.8) — An unauthenticated command injection vulnerability exists in the parameters of operation 48 in the controller_…

    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