Vulnerability identifier: #VU60217

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36177

CWE-ID: CWE-284

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
FortiAuthenticator
Client/Desktop applications / Other client software

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in FortiAuthenticator HA service. A remote attacker on the same VLAN as the HA management interface can make an unauthenticated direct connection to the FAC's database.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiAuthenticator: 6.0.0 - 6.3.2

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External links
http://fortiguard.fortinet.com/psirt/FG-IR-20-217

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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