Authentication bypass in Fortinet FortiMail and FortiVoice Entreprise



Published: 2020-04-27
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-9294
CWE-ID CWE-640
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Fortinet FortiMail
Server applications / IDS/IPS systems, Firewalls and proxy servers

FortiVoice
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Weak Password Recovery Mechanism for Forgotten Password

EUVDB-ID: #VU27367

Risk: High

CVSSv3.1: 7.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2020-9294

CWE-ID: CWE-640 - Weak password recovery mechanism

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain unauthorized access to users' accounts.

The vulnerability exists within the password recovery feature. A remote non-authenticated attacker can request the password change and gain unauthorized access to accounts of other users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiMail: 5.4.0 - 6.2.2

FortiVoice: 6.0.0 - 6.0.1

External links

http://fortiguard.com/psirt/FG-IR-20-045


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. However, a fully functional exploit for this vulnerability is available.



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