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.

CVSS 3.1

2.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-25)

CWE

CWE-284

Published

2025-12-09

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• fortinet:fortiauthenticator

References

• https://fortiguard.fortinet.com/psirt/FG-IR-25-616

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