Detections
Analytics

Fortinet FortiClient Privilege escalation in online installer due to incorrect working director (FG-IR-21-238)

high Nessus Plugin ID 159601

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Synopsis

remote Windows host is missing one or more security-related updates.

Description

The version of FortiClient installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-21-238 advisory.

 - A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory. (CVE-2021-44169)

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 FortiClientWindows version 6.4.8/7.0.3 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-238

Plugin Details

Severity: High

ID: 159601

File Name: forticlient_FG-IR-21-238.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows

Published: 4/8/2022

Updated: 11/18/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-44169

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:fortinet:forticlient

Required KB Items: installed_sw/FortiClient

Exploit Ease: No known exploits are available

Patch Publication Date: 4/5/2022

Vulnerability Publication Date: 4/5/2022

Reference Information

CVE: CVE-2021-44169

IAVA: 2022-A-0137-S