Vulnerability identifier: #VU74856

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43947

CWE-ID: CWE-307

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exist due to improper restriction of excessive authentication attempts in administrative interface. A remote attacker with access to the administrative interface can perform a brute-force attack and gain unauthorized access to the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.0.0 - 7.0.10, 6.2.0 - 6.2.13, 6.4.0 - 6.4.12, 7.2.0 - 7.2.3

FortiProxy: 2.0.0 - 2.0.12, 7.2.0 - 7.2.1, 7.0.0 - 7.0.7, 1.2.0 - 1.2.13, 1.1.0 - 1.1.6, 1.0.0 - 1.0.7

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External links
http://fortiguard.fortinet.com/psirt/FG-IR-22-444

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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.