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    CVE-2025-59923

    An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least read-only admin permission to obtain the credentials of other administrators' messaging services via crafted requests.

    Published:Dec 9, 2025
    Last Modified:Jan 14, 2026
    EPS:Dec 9, 2025
    EPSS Score:0.00036
    CVSS Score:2.6

    Affected Products

    Vendor
    Fortinet
    Product
    Fortiauthenticator

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2022-23439 (CVSS 4.7) — A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker t…
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    CVE-2022-35850 (CVSS 4.3) — An improper neutralization of script-related HTML tags in a web page vulnerability [CWE-80] in FortiAuthentica…
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    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