CVE-2018-9193

A researcher has disclosed several vulnerabilities against FortiClient for Windows version 6.0.5 and below, version 5.6.6, the combination of these vulnerabilities can turn into an exploit chain, which allows a user to gain system privileges on Microsoft Windows...

CVE-2021-41031

A relative path traversal vulnerability CWE-23 in FortiClient for Windows versions 7.0.2 and prior, 6.4.6 and prior and 6.2.9 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service...

CVE-2021-22127

An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious...

CVE-2022-33877

An incorrect default permission CWE-276 vulnerability in FortiClient Windows versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter Windows versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may allow a local authenticated attacker to tamper with files in the...

CVE-2022-26113

An execution with unnecessary privileges vulnerability CWE-250 in FortiClientWindows 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.0 through 6.2.9, 6.0.0 through 6.0.10 may allow a local attacker to perform an arbitrary file write on the system...

CVE-2019-16150

Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may allow an attacker with access to the local storage or the configuration backup file to decrypt the sensitive data via knowledge of the hard-cod...

CVE-2019-16155

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to overwrite system files as root with arbitrary content through system backup file via specially crafted "BackupConfig" type IPC client requests to the fctsched process. Further more...

CVE-2019-16149

An Improper Neutralization of Input During Web Page Generation in FortiClientEMS version 6.2.0 may allow a remote attacker to execute unauthorized code by injecting malicious payload in the user profile of a FortiClient instance being managed by the vulnerable system...

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 authenticated local IPSec user to execute arbitrary code or commands via "fortips74.sys". The attacker would need to bypass the...

CVE-2025-54660

An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.10, FortiClientWindows 7.0 all versions may allow a local attacker to run the application step by step and retrieve the saved VPN user password...

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 authenticated local IPSec user to execute arbitrary code or commands via "fortips74.sys". The attacker would need to bypass the...

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 authenticated local IPSec user to execute arbitrary code or commands via "fortips74.sys". The attacker would need to bypass the...

CVE-2025-54660

An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.10, FortiClientWindows 7.0 all versions may allow a local attacker to run the application step by step and retrieve the saved VPN user password...

EUVD-2025-198012

An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.10, FortiClientWindows 7.0 all versions may allow a local attacker to run the application step by step and retrieve the saved VPN user password...

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 authenticated local IPSec user to execute arbitrary code or commands via "fortips74.sys". The attacker would need to bypass the...

PT-2025-47351

Name of the Vulnerable Software and Affected Versions Fortinet FortiClientWindows versions 7.2.0 through 7.2.8 Fortinet FortiClientWindows versions 7.4.0 through 7.4.3 Description A heap-based buffer overflow exists in Fortinet FortiClientWindows. A local IPSec user with authentication may be abl...

Fortinet FortiClient MacOS installer data forgery issue vulnerability

Fortinet FortiClient MacOS installer is a client installer from Fortinet. The Fortinet FortiClient MacOS installer suffers from a data forgery issue vulnerability that stems from improper cryptographic signature validation, which can be exploited by an attacker to cause elevation of privilege for...

CVE-2025-46774

An Improper Verification of Cryptographic Signature vulnerability CWE-347 in FortiClient MacOS installer version 7.4.2 and below, version 7.2.9 and below, 7.0 all versions may allow a local user to escalate their privileges via FortiClient related executables...

CVE-2025-57716

An Uncontrolled Search Path Element vulnerability CWE-427 in FortiClient Windows 7.4.0 through 7.4.3, 7.2.0 through 7.2.11, 7.0 all versions may allow a local low privileged user to perform a DLL hijacking attack via placing a malicious DLL to the FortiClient Online Installer installation folder...

EUVD-2025-34235

An Uncontrolled Search Path Element vulnerability CWE-427 in FortiClient Windows 7.4.0 through 7.4.3, 7.2.0 through 7.2.11, 7.0 all versions may allow a local low privileged user to perform a DLL hijacking attack via placing a malicious DLL to the FortiClient Online Installer installation folder...