Vulnerability identifier: #VU58631

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41024

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

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the login page. A remote attacker can send a specially crafted HTTP GET request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FortiOS: 7.0.0 - 7.0.1

FortiProxy: 7.0.0

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External links
http://www.fortiguard.com/psirt/FG-IR-21-181

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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