Vulnerability identifier: #VU28258

Vulnerability 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-2020-9291

CWE-ID: CWE-377

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to FortiClient for Windows may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 6.2.0 - 6.2.1, 6.0.0 - 6.0.8

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External links
http://fortiguard.com/psirt/FG-IR-20-040

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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.