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    CVE-2025-21611

    tgstation-server is a production scale tool for BYOND server management. Prior to 6.12.3, roles used to authorize API methods were incorrectly OR'd instead of AND'ed with the role used to determine if a user was enabled. This allows enabled users access to most, but not all, authorized actions regardless of their permissions. Notably, the WriteUsers right is unaffected so users may not use this bug to permanently elevate their account permissions. The fix is release in tgstation-server-v6.12.3.

    Published:Jan 6, 2025
    Last Modified:Aug 19, 2025
    EPS:Jan 6, 2025
    EPSS Score:0.00153
    CVSS Score:8.8

    Affected Products

    Vendor
    Tgstation13
    Product
    Tgstation-server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

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    CVE-2023-33198 (CVSS 6.1) — tgstation-server is a production scale tool for BYOND server management. The DreamMaker API (DMAPI) chat chann…
    CVE-2023-32687 (CVSS 7.7) — tgstation-server is a toolset to manage production BYOND servers. Starting in version 4.7.0 and prior to 5.12.…
    CVE-2020-16136 (CVSS 7.7) — In tgstation-server 4.4.0 and 4.4.1, an authenticated user with permission to download logs can download any f…
    CVE-2018-17107 (CVSS 9.8) — In Tgstation tgstation-server 3.2.4.0 through 3.2.1.0 (fixed in 3.2.5.0), active logins would be cached, allow…

    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