Privilege escalation in FortiNAC



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-43065
CWE-ID CWE-732
Exploitation vector Local
Public exploit N/A
Vulnerable software
 FortiNAC
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU58632

Risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-43065

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect permission assignment for a critical resource. A local  authenticated user can access sensitive system data and, as a consequence, raise the authenticated user's privilege to admin.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiNAC: 8.8.0 - 9.2.0

CPE2.3 External links

https://www.fortiguard.com/psirt/FG-IR-21-178


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions 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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