Fortinet Fortigate - Anti brute-force bypass in administrative interface (FG-IR-22-444)

high Nessus Plugin ID 174262


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


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-22-444 advisory.

- An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions. (CVE-2022-43947)

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


Please upgrade to FortiProxy version 7.2.2 or above Please upgrade to FortiProxy version 7.0.8 or above Please upgrade to FortiOS version 7.2.4 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiOS version 6.4.13 or above

See Also

Plugin Details

Severity: High

ID: 174262

File Name: fortigate_FG-IR-22-444.nasl

Version: 1.3

Type: local

Family: Firewalls

Published: 4/13/2023

Updated: 5/22/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2022-43947


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: 4/11/2023

Vulnerability Publication Date: 4/11/2023

Reference Information

CVE: CVE-2022-43947

IAVA: 2023-A-0198-S