#VU54776 Memory leak

Published: 2021-07-13

Vulnerability identifier: #VU54776

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-26090


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fortinet FortiMail
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in FortiMail Webmail. A remote attacker can exhaust available memory resources via specifically crafted login requests.

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiMail: 6.4.0 - 6.4.4


External links

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability