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Fortinet Fortigate No certificate name verification for fgfm connection (FG-IR-24-046)

high Nessus Plugin ID 234003

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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 multiple vulnerabilities as referenced in the FG-IR-24-046 advisory.

 - A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7, 7.0.0 through 7.0.14, 6.4.0 through 6.4.15 and 6.2.0 through 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9, 7.0.0 through 7.0.15 and 2.0.0 through 2.0.14, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and 6.2.0 through 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and 6.2.0 through 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2, 6.4.0 through 6.4.8 and 6.0.0 through 6.0.12 and Fortinet FortiWeb version 7.4.0 through 7.4.2, 7.2.0 through 7.2.10, 7.0.0 through 7.0.10 allows an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device (CVE-2024-50565)

 - A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in- the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device (CVE-2024-26013)

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

Solution

For 6.2.x, upgrade to Fortigate version 6.2.17 or later. For 6.4.x, see vendor advisory. For 7.0.x, upgrade to Fortigate version 7.0.16 or later. For 7.2.x, upgrade to Fortigate version 7.2.9 or later. For 7.4.x, upgrade to Fortigate version 7.4.5 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-24-046

Plugin Details

Severity: High

ID: 234003

File Name: fortigate_FG-IR-24-046.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 4/8/2025

Updated: 4/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2024-50565

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2024-26013

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: 4/8/2025

Vulnerability Publication Date: 4/8/2025

Reference Information

CVE: CVE-2024-26013, CVE-2024-50565

IAVA: 2024-A-0745