Privilege escalation in FortiClient (Windows)



Published: 2022-04-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-44169
CWE-ID CWE-665
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU61981

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44169

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization. A local user can place a malicious executable inside the FortiClient installer's directory and execute it with administrative privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 6.0.0 - 7.0.2

External links

http://fortiguard.com/psirt/FG-IR-21-238


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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