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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00033.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Fortinet Subscribe
Fortiauthenticator Subscribe

Configuration 1 [-]

cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to FortiAuthenticator version 8.0.0 or above Upgrade to FortiAuthenticator version 6.6.7 or above

Workaround

No workaround given by the vendor.

References
Link Providers
https://fortiguard.fortinet.com/psirt/FG-IR-25-616 cve-icon cve-icon
History

Thu, 11 Dec 2025 17:15:00 +0000

Type Values Removed Values Added
Description An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.4, 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. 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.
CPEs cpe:2.3:a:fortinet:fortiauthenticator:6.6.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*

Tue, 09 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 09 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

Tue, 09 Dec 2025 17:45:00 +0000

Type Values Removed Values Added
Description An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.4, 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.
First Time appeared Fortinet
Fortinet fortiauthenticator
Weaknesses CWE-284
CPEs cpe:2.3:a:fortinet:fortiauthenticator:6.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.4:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortiauthenticator
References
Metrics cvssV3_1

{'score': 2.6, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2025-12-11T17:08:42.258Z

Reserved: 2025-09-23T12:51:54.672Z

Link: CVE-2025-59923

cve-icon Vulnrichment

Updated: 2025-12-09T20:21:32.513Z

cve-icon NVD

Status : Modified

Published: 2025-12-09T18:15:55.663

Modified: 2025-12-11T17:15:56.497

Link: CVE-2025-59923

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses