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Fortinet FortiWeb OS command injection due to direct input interpolation in API controllers (FG-IR-21-180)

high Nessus Plugin ID 164722

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Synopsis

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

Description

The version of FortiWeb installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-21-180 advisory.

 - A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests. (CVE-2021-43073)

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 FortiWeb version 5.9.2/6.0.8/6.1.3/6.2.7/6.3.17/6.4.2/7.0.0 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-180

Plugin Details

Severity: High

ID: 164722

File Name: FortiWeb_FG-IR-21-180.nasl

Version: 1.5

Type: local

Family: Firewalls

Published: 9/6/2022

Updated: 10/29/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2021-43073

CVSS v3

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:/a:fortinet:fortiweb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/1/2022

Vulnerability Publication Date: 2/1/2022

Reference Information

CVE: CVE-2021-43073