Multiple vulnerabilities in Fortinet FortiMail

Published: 2022-03-01

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-32586 CVE-2021-36166
CWE-ID	CWE-20 CWE-287
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Fortinet FortiMail Server applications / IDS/IPS systems, Firewalls and proxy servers
Vendor	Fortinet, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU60933

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32586

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in the web server CGI facilities. A remote non-authenticated attacker can send a specially crafted HTTP request and alter the environment of the underlying script interpreter.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiMail: 6.0.0 - 7.0.0

External links

http://fortiguard.com/psirt/FG-IR-21-008

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.

2) Improper Authentication

EUVDB-ID: #VU60932

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36166

CWE-ID: CWE-287 - Improper Authentication