Improper validation of certificate with host mismatch in Fortinet FortiClient for Windows - CVE-2024-54019
Published: June 11, 2025
Vulnerability identifier: #VU111049
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-54019
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The vulnerability exists due to improper validation of certificate with host mismatch. An unauthorized attacker can redirect VPN connections via DNS spoofing or another form of redirection.
Affected software
Fortinet FortiClient for Windows
How to mitigate CVE-2024-54019
Install update from vendor's website.
Fortinet FortiClient for Windows - addressed in versions 7.2.7, 7.4.1