CVE-2025-59923 json
An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuth…
published 2025-12-09 11 mo ago modified 2026-10-14 25 d ago also EUVD-2025-202277
- cvss
- 2.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
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 attacker with at least read-only admin permission to obtain the credentials of other administrators' messaging services via crafted requests.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 10 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.6 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C |
| CNA | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Fortinet FortiAuthenticator
Classification
- Weakness
-
- CWE-284 Improper Access Control
- Technology feeds
References
-
fortiguard.fortinet.com
/psirt/FG-IR-25-616
vendor-advisory
Sources
- CVE List CVE-2025-59923
- NVD CVE-2025-59923
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