Remote command execution in FortiAI



Published: 2021-05-04
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-24023
CWE ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
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FortiAI
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Advisory

This security advisory describes one medium risk vulnerability.

1) OS Command Injection

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] [PCI]

CVE-ID: CVE-2021-24023

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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

FortiAI: 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0

CPE External links

https://www.fortiguard.com/psirt/FG-IR-21-033

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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