Improper certificate validation in FortiProxy



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-39948
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU72344

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39948

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper certificate validation when establishing secure connections with threat feed fabric connectors. A remote attacker can perform MitM attack on the communication channel between the affected device and remote servers hosting threat feeds.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FortiProxy: 1.2.0 - 7.0.6

CPE2.3 External links

http://fortiguard.fortinet.com/psirt/FG-IR-22-257


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device 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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