CVE-2025-24471: Improper access control in Fortinet FortiOS
An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.
AI Analysis
Technical Summary
This vulnerability in FortiOS involves improper certificate validation (CWE-295) that may permit an EAP-verified remote user to authenticate using a revoked certificate when connecting through FortiClient. The affected versions include FortiOS 7.6.1 and earlier, and 7.4.7 and earlier. The issue could allow unauthorized access due to acceptance of revoked certificates. The vendor has released an official fix to remediate this flaw.
Potential Impact
The vulnerability impacts the integrity of authentication by allowing a remote user with a revoked certificate to connect, potentially enabling unauthorized access. There is no direct confidentiality or availability impact reported. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Fortinet to address this vulnerability. Users should apply the vendor-provided patches to affected FortiOS versions 7.6.1 and below, and 7.4.7 and below to remediate the issue.
CVE-2025-24471: Improper access control in Fortinet FortiOS
Description
An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.
CVSS v3.1
Score 6.0medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in FortiOS involves improper certificate validation (CWE-295) that may permit an EAP-verified remote user to authenticate using a revoked certificate when connecting through FortiClient. The affected versions include FortiOS 7.6.1 and earlier, and 7.4.7 and earlier. The issue could allow unauthorized access due to acceptance of revoked certificates. The vendor has released an official fix to remediate this flaw.
Potential Impact
The vulnerability impacts the integrity of authentication by allowing a remote user with a revoked certificate to connect, potentially enabling unauthorized access. There is no direct confidentiality or availability impact reported. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Fortinet to address this vulnerability. Users should apply the vendor-provided patches to affected FortiOS versions 7.6.1 and below, and 7.4.7 and below to remediate the issue.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- fortinet
- Date Reserved
- 2025-01-21T20:48:07.886Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 68487f531b0bd07c39389dd8
Added to database: 06/10/2025, 18:54:11 UTC
Last enriched: 08/11/2026, 13:06:11 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 178
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