#VU111049 Improper validation of certificate with host mismatch in Fortinet FortiClient for Windows - CVE-2024-54019
Vulnerability identifier: #VU111049
Vulnerability risk: Medium
CVSSv4.0: 1.7 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-297
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Fortinet FortiClient for Windows
Server applications /
Other server solutions
Vendor: Fortinet, Inc
Description
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Fortinet FortiClient for Windows: 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.0.7, 7.0.8, 7.0.9, 7.0.10, 7.0.11, 7.0.12, 7.0.13, 7.0.14, 7.2.0, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.2.5, 7.2.6, 7.2.8, 7.2.9, 7.2.10, 7.4.0, 7.4.2, 7.4.3
External links
https://www.fortiguard.com/psirt/FG-IR-24-365
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.
