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Fortinet Fortigate Authentication bypass in Node.js websocket module (FG-IR-24-535)

critical Nessus Plugin ID 214072

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-24-535 advisory.

 - An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.
 (CVE-2024-55591)

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

Solution

Upgrade to Fortigate version 7.0.17 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-24-535

Plugin Details

Severity: Critical

ID: 214072

File Name: fortigate_FG-IR-24-535.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 1/14/2025

Updated: 1/14/2025

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2024-55591

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/14/2025

Vulnerability Publication Date: 1/14/2025

CISA Known Exploited Vulnerability Due Dates: 1/21/2025

Reference Information

CVE: CVE-2024-55591