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Fortinet Fortigate - Format string vulnerability in CLI commands (FG-IR-23-261)

medium Nessus Plugin ID 216118

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-23-261 advisory.

 - A use of externally-controlled format string vulnerability [CWE-134] in Fortinet FortiOS version 7.4.0 through 7.4.1 and before 7.2.6, FortiProxy version 7.4.0 and before 7.2.7, FortiPAM version 1.1.2 and before 1.0.3, FortiSwitchManager version 7.2.0 through 7.2.2 and before 7.0.2 allows a privileged attacker to execute arbitrary code or commands via specially crafted requests. (CVE-2023-40721)

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

Solution

Please upgrade to FortiOS version 7.2.7/7.4.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-23-261

Plugin Details

Severity: Medium

ID: 216118

File Name: fortigate_FG-IR-23-261.nasl

Version: 1.1

Type: local

Family: Firewalls

Published: 2/11/2025

Updated: 2/11/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2023-40721

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/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: 2/11/2025

Vulnerability Publication Date: 2/11/2025

Reference Information

CVE: CVE-2023-40721