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    CVE-2023-50920

    An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.

    Published:Jan 12, 2024
    Last Modified:Jun 17, 2025
    EPS:Jan 12, 2024
    EPSS Score:0.00011
    CVSS Score:5.5

    Affected Products

    Vendor
    Gl-inet
    Product
    Gl-a1300
    Vendor
    Gl-inet
    Product
    Gl-a1300 Firmware
    Vendor
    Gl-inet
    Product
    Gl-ar300m
    Vendor
    Gl-inet
    Product
    Gl-ar300m Firmware
    Vendor
    Gl-inet
    Product
    Gl-ar750
    Vendor
    Gl-inet
    Product
    Gl-ar750 Firmware
    Vendor
    Gl-inet
    Product
    Gl-ar750s
    Vendor
    Gl-inet
    Product
    Gl-ar750s Firmware
    Vendor
    Gl-inet
    Product
    Gl-ax1800
    Vendor
    Gl-inet
    Product
    Gl-ax1800 Firmware
    Vendor
    Gl-inet
    Product
    Gl-axt1800
    Vendor
    Gl-inet
    Product
    Gl-axt1800 Firmware
    Vendor
    Gl-inet
    Product
    Gl-b1300
    Vendor
    Gl-inet
    Product
    Gl-b1300 Firmware
    Vendor
    Gl-inet
    Product
    Gl-mt1300
    Vendor
    Gl-inet
    Product
    Gl-mt1300 Firmware
    Vendor
    Gl-inet
    Product
    Gl-mt2500
    Vendor
    Gl-inet
    Product
    Gl-mt2500 Firmware
    Vendor
    Gl-inet
    Product
    Gl-mt3000
    Vendor
    Gl-inet
    Product
    Gl-mt3000 Firmware
    Vendor
    Gl-inet
    Product
    Gl-mt300n-v2
    Vendor
    Gl-inet
    Product
    Gl-mt300n-v2 Firmware
    Vendor
    Gl-inet
    Product
    Gl-mt6000
    Vendor
    Gl-inet
    Product
    Gl-mt6000 Firmware
    Vendor
    Gl.inet
    Product
    A1300
    Vendor
    Gl.inet
    Product
    AR300M
    Vendor
    Gl.inet
    Product
    AR750
    Vendor
    Gl.inet
    Product
    AR750S
    Vendor
    Gl.inet
    Product
    AX1800
    Vendor
    Gl.inet
    Product
    AXT1800
    Vendor
    Gl.inet
    Product
    B1300
    Vendor
    Gl.inet
    Product
    MT1300
    Vendor
    Gl.inet
    Product
    MT2500
    Vendor
    Gl.inet
    Product
    MT3000
    Vendor
    Gl.inet
    Product
    MT300N V2
    Vendor
    Gl.inet
    Product
    MT6000

    Exploits

    https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID.mdhttps://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID.md

    Common Weakness Enumeration

    CWE-384 Session Fixation

    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-2023-50919 (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-2023-50921 (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-2023-50922 (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-2023-50445 (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-2023-31473 (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 …
    CVE-2023-31471 (CVSS 9.8) — An issue was discovered on GL.iNet devices before 3.216. Through the software installation feature, it is poss…
    CVE-2023-31472 (CVSS 7.5) — An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty fi…

    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