Medium severity · published Jun 10, 2025
CVE-2024-54019
A improper validation of certificate with host mismatch in Fortinet FortiClientWindows version 7.4.0, versions 7.2.0 through 7.2.6, and 7.0 all versions allow an unauthorized…
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
A improper validation of certificate with host mismatch in Fortinet FortiClientWindows version 7.4.0, versions 7.2.0 through 7.2.6, and 7.0 all versions allow an unauthorized attacker to redirect VPN connections via DNS spoofing or another form of redirection.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiClientWindows · Fortinet
7.4.0; 7.2.0 through 7.2.6; 7.0.0 through 7.0.14 · source: vendor
FO
Forticlient · Fortinet
7.0.0 before 7.2.7; 7.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-54019
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-54019
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-24-365
More from FortiClientWindows
8.8
CVE-2024-36513
A privilege context switching error vulnerability [CWE-270] in FortiClient Windows version 7.2.4 and below, version 7.0.12 and below, 6.4 all versions may allow an authenticated…
8.8
CVE-2019-5589
A untrusted search path vulnerability in Fortinet may allow attacker to execute unauthorized code or commands via network exploitable
8.1
CVE-2026-70465
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11…
8.1
CVE-2024-31489
AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and…
7.8
CVE-2025-46373
A Heap-based Buffer Overflow vulnerability [CWE-122] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.8 may allow an…