Improper access control in FortiAuthenticator



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-36177
CWE-ID CWE-284
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 FortiAuthenticator
Client/Desktop applications / Other client software

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU60217

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-36177

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

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

CPE2.3 External links

https://fortiguard.fortinet.com/psirt/FG-IR-20-217


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.



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