#VU60735 Download of code without integrity check in FortiOS - CVE-2021-44168

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Main Vulnerability Database Vulnerabilities #VU60735

#VU60735 Download of code without integrity check in FortiOS - CVE-2021-44168

Published: February 21, 2022 / Updated: October 22, 2023


Vulnerability identifier: #VU60735
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2021-44168
CWE-ID: CWE-494
Exploitation vector: Adjecent network
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to software does not perform software integrity check when downloading updates in the "execute restore src-vis" command. A remote attacker with ability to perform man-in-the-middle (MitM) attack can supply a malicious software image and gain full control over the affected system after a successful software update.


Remediation

Install updates from vendor's website.

External links