Vulnerability identifier: #VU73199

Vulnerability risk: High

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-41328

CWE-ID: CWE-22

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system

Vendor: Fortinet, Inc

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing certain CLI command. A local user can read and write arbitrary files on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FortiOS: 6.4.0 - 6.4.11, 6.2.0 - 6.2.13, 6.0.0 - 6.0.16, 7.0.0 - 7.0.9, 7.2.0 - 7.2.3

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External links
http://fortiguard.com/psirt/FG-IR-22-369
http://www.fortinet.com/blog/psirt-blogs/fg-ir-22-369-psirt-analysis

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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?

Yes. This vulnerability is being exploited in the wild.