Vulnerability identifier: #VU52851

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-24023

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiNDR (formerly FortiAI)
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated user can pass specially payload via the "diagnose" command to the system and execute arbitrary OS commands.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiNDR (formerly FortiAI): 1.1.0 - 1.4.0

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External links
http://www.fortiguard.com/psirt/FG-IR-21-033

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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.