Vulnerability identifier: #VU54791
Vulnerability risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-325
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Fortinet FortiMail
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Fortinet, Inc
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing cryptographic steps in FortiMail IBE. A remote attacker who comes in possession of the encrypted master keys can compromise their confidentiality by observing a few invariant properties of the ciphertext.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Fortinet FortiMail: 5.0 - 6.4.4
External links
http://fortiguard.com/advisory/FG-IR-20-244
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.