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Fortinet Fortigate Privilege escalation via switch-control CLI command (FG-IR-21-242)

high Nessus Plugin ID 165982

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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-21-242 advisory.

 - A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiOS version 6.0.0 through 6.0.14, FortiOS version 6.2.0 through 6.2.10, FortiOS version 6.4.0 through 6.4.8, FortiOS version 7.0.0 through 7.0.3 allows attacker to execute privileged commands on a linked FortiSwitch via diagnostic CLI commands. (CVE-2021-44171)

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 6.0.15/6.2.11/6.4.9/7.0.7 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-242

Plugin Details

Severity: High

ID: 165982

File Name: fortigate_FG-IR-21-242.nasl

Version: 1.9

Type: local

Family: Firewalls

Published: 10/10/2022

Updated: 10/29/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 5.7

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

CVSS Score Source: CVE-2021-44171

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

Vector: CVSS:3.0/AV:A/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: 10/10/2022

Vulnerability Publication Date: 10/10/2022

Reference Information

CVE: CVE-2021-44171

IAVA: 2022-A-0401-S