Vulnerability identifier: #VU77961

Vulnerability risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42474

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc
FortiSwitch Manager
Client/Desktop applications / Software for system administration

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote user to delete arbitrary directories on the system.

The vulnerability exists due to input validation error when processing directory traversal sequences within the administrative interface. A remote user can send a specially crafted HTTP request and delete arbitrary directories from the filesystem.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FortiOS: 6.2.0 - 6.2.15, 6.4.0 - 6.4.12, 7.0.0 - 7.0.9, 7.2.0 - 7.2.3

FortiProxy: 2.0.0 - 2.0.11, 7.2.0 - 7.2.1, 7.0.0 - 7.0.7, 1.2.0 - 1.2.13, 1.1.0 - 1.1.6, 1.0.0 - 1.0.7

FortiSwitch Manager: 7.0.0 - 7.2.1

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External links
http://fortiguard.com/psirt/FG-IR-22-393

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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