Vulnerability identifier: #VU69940

Vulnerability risk: Medium

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

CVE-ID: CVE-2022-33876

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiADC
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences in download feature. A remote user can send a specially crafted HTTP request and download arbitrary files  from the underlying Linux system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FortiADC: 7.0.0 - 7.0.2, 7.1.0, 6.2.0 - 6.2.4, 6.1.0 - 6.1.6, 6.0.0 - 6.0.4, 5.4.0 - 5.4.5, 5.2.0 - 5.2.8, 5.3.0 - 5.3.7, 5.1.0 - 5.1.7

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External links
http://fortiguard.com/psirt/FG-IR-22-253

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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