Vulnerability identifier: #VU75010

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22642

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiAnalyzer
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper certificate validation when establishing a secure connection with FortiGuard to download outbreakalerts. A remote attacker can perform MitM attack on the communication channel between the device and the remote FortiGuard server hosting outbreakalert ressources.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiAnalyzer: 6.4.8 - 6.4.10, 7.0.0 - 7.0.5, 7.2.0 - 7.2.1

FortiManager: 6.4.8 - 6.4.10, 7.0.0 - 7.0.5, 7.2.0 - 7.2.1

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External links
http://fortiguard.com/psirt/FG-IR-22-502

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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 Internet.

Is there known malware, which exploits this vulnerability?

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