MitM attack in FortiPortal



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-40590
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FortiPortal
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper certificate validation

EUVDB-ID: #VU100781

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-40590

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 connecting to a FortiManager device, a FortiAnalyzer device, or an SMTP server. A remote attacker can intercept or tamper with the encrypted communication channel established between the FortiPortal and those endpoints.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiPortal: 6.0.0 - 7.4.0

CPE2.3 External links

https://www.fortiguard.com/psirt/FG-IR-22-155


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 application 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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