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    CVE-2023-33621

    GL.iNET GL-AR750S-Ext firmware v3.215 inserts the admin authentication token into a GET request when the OpenVPN Server config file is downloaded. The token is then left in the browser history or access logs, potentially allowing attackers to bypass authentication via session replay.

    Published:Jun 13, 2023
    Last Modified:Jan 3, 2025
    EPS:Jun 13, 2023
    EPSS Score:0.00056
    CVSS Score:5.9

    Affected Products

    Vendor
    Gl-inet
    Product
    Gl-ar750s
    Vendor
    Gl-inet
    Product
    Gl-ar750s Firmware

    Exploits

    https://justinapplegate.me/2023/glinet-CVE-2023-33621/https://justinapplegate.me/2023/glinet-CVE-2023-33621/

    Related CVEs

    CVE-2024-39227 (CVSS 9.8) — GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11, MT3000/MT2500/AXT18…
    CVE-2023-50920 (CVSS 5.5) — An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each us…
    CVE-2023-50919 (CVSS 9.8) — An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via L…
    CVE-2023-50922 (CVSS 7.2) — An issue was discovered on GL.iNet devices through 4.5.0. Attackers who are able to steal the AdminToken cooki…
    CVE-2023-50921 (CVSS 9.8) — An issue was discovered on GL.iNet devices through 4.5.0. Attackers can invoke the add_user interface in the s…
    CVE-2023-50445 (CVSS 7.8) — Shell Injection vulnerability GL.iNet A1300 v4.4.6, AX1800 v4.4.6, AXT1800 v4.4.6, MT3000 v4.4.6, MT2500 v4.4.…
    CVE-2023-33620 (CVSS 5.9) — GL.iNET GL-AR750S-Ext firmware v3.215 uses an insecure protocol in its communications which allows attackers t…
    CVE-2023-31473 (CVSS 4.9) — An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty fi…
    CVE-2023-31477 (CVSS 7.5) — A path traversal issue was discovered on GL.iNet devices before 3.216. Through the file sharing feature, it is…
    CVE-2023-31475 (CVSS 9.8) — An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a …

    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