{"id":"CVE-2025-59923","title":"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 attacke…","summary":"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 attacke…","severity":"low","cvss":2.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-284"],"vendor":"fortinet","product":"fortiauthenticator","affected":["fortiauthenticator >= 6.3.0, <= 6.6.4"],"published":"2025-12-09","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:10:00.183","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-59923","references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-616","label":"psirt@fortinet.com"}],"tags":["nvd"],"epss":0.00213,"epssPercentile":0.10778,"ingestedAt":"2026-10-14T21:57:04.757Z","slug":"CVE-2025-59923","body":"## Overview\n\nAn 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.\n\n## Affected\n\n- `fortiauthenticator >= 6.3.0, <= 6.6.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":15,"depthScoreParts":{"impact":14.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}