CVE-2025-57823

Published Dec 9, 2025 CVSS 3.1 · 2.6 Low EPSS < 1% KEV · Not listed

Description

A direct request ('forced browsing') 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 sponsor permissions to read and download device logs via accessing specific endpoints

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiAuthenticator

unaffected

Version	Status	Constraints
`6.6.0`	affected	≤ 6.6.6
`6.5.0`	affected	≤ 6.5.6
`6.4.0`	affected	≤ 6.4.10
`6.3.0`	affected	≤ 6.3.4

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

Vendor Solution

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

Tracking

Advisories

No advisories available

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.

Exploit prediction score: < 1% (0.248% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-25-554

History

Dec 9, 2025 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Dec 9, 2025 8:00 PM Affected versions updated View changes

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

Dec 9, 2025 5:45 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		A direct request ('forced browsing') 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 sponsor permissions to read and download device logs via accessing specific endpoints
First Time appeared		Fortinet Fortinet fortiauthenticator
Weaknesses		CWE-425
CPEs		cpe:2.3:a:fortinet:fortiauthenticator:6.3.0:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.3.1:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.3.2:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.3.3:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.3.4:::::::* 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:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.6.5:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:::::::*
Vendors & Products		Fortinet Fortinet fortiauthenticator
References		https://fortiguard.fortinet.com/psirt/FG-IR-25-554
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'}`