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Fortinet Fortigate Privilege escalation in GUI websocket module (FG-IR-25-006)

medium Nessus Plugin ID 238102

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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 a vulnerability as referenced in the FG-IR-25-006 advisory.

 - An Improper Privilege Management vulnerability [CWE-269] affecting Fortinet FortiOS version 7.6.0 through 7.6.1, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16 and before 6.4.15, FortiProxy version 7.6.0 through 7.6.1 and before 7.4.7 & FortiWeb version 7.6.0 through 7.6.1 and before 7.4.6 allows an authenticated attacker with at least read-only admin permissions to gain super-admin privileges via crafted requests to Node.js websocket module. (CVE-2025-22254)

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

Solution

For 6.4.x, upgrade to Fortigate version 6.4.16 or later. For 7.0.x, upgrade to Fortigate version 7.0.17 or later. For 7.2.x, upgrade to Fortigate version 7.2.11 or later. For 7.4.x, upgrade to Fortigate version 7.4.7 or later. For 7.6.x, upgrade to Fortigate version 7.6.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-25-006

Plugin Details

Severity: Medium

ID: 238102

File Name: fortigate_FG-IR-25-006.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 6/10/2025

Updated: 6/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2025-22254

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.8

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

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-2025-22254