Detections
Analytics

Fortinet Fortigate eap-cert-auth bypass via revoked certificate (FG-IR-24-544)

medium Nessus Plugin ID 238112

Language:

Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-24-544 advisory.

 - 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.
 (CVE-2025-24471)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

For 7.4.x, upgrade to Fortigate version 7.4.8 or later. For 7.6.x, upgrade to Fortigate version 7.6.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-24-544

Plugin Details

Severity: Medium

ID: 238112

File Name: fortigate_FG-IR-24-544.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 6/10/2025

Updated: 6/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:N

CVSS Score Source: CVE-2025-24471

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/10/2025

Vulnerability Publication Date: 6/10/2025

Reference Information

CVE: CVE-2025-24471