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Vulnerabilities

Fortinet Forticlient

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

88CVEs
CVE-2019-17658
An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior allow an attacker to gain elevated privileges via the FortiClientConsole executable service path.
Published 2020-03-12 · Modified
9.8EPSS 0.022
CVE-2023-45590
An improper control of generation of code ('code injection') in Fortinet FortiClientLinux version 7.2.0, 7.0.6 through 7.0.10 and 7.0.3 through 7.0.4 allows attacker to execute unauthorized code or commands via tricking a FortiClientLinux user into visiting a malicious website
Published 2024-04-09 · Analyzed
9.6EPSS 0.015
CVE-2019-5589
An Unsafe Search Path vulnerability in FortiClient Online Installer (Windows version before 6.0.6) may allow an unauthenticated, remote attacker with control over the directory in which FortiClientOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious .dll files in that directory.
Published 2019-05-28 · Modified
9.3EPSS 0.026
CVE-2016-8493
In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability.
Published 2017-06-26 · Modified
9.0EPSS 0.018
CVE-2017-14184
An Information Disclosure vulnerability in Fortinet FortiClient for Windows 5.6.0 and below versions, FortiClient for Mac OSX 5.6.0 and below versions and FortiClient SSLVPN Client for Linux 4.4.2334 and below versions allows regular users to see each other's VPN authentication credentials due to improperly secured storage locations.
Published 2017-12-15 · Modified
8.8EPSS 0.021
CVE-2021-44169
A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory.
Published 2022-04-06 · Modified
8.8EPSS 0.004
CVE-2020-15934
An execution with unnecessary privileges vulnerability in the VCM engine of FortiClient for Linux versions 6.2.7 and below, version 6.4.0. may allow local users to elevate their privileges to root by creating a malicious script or program on the target machine.
Published 2024-12-19 · Analyzed
8.8EPSS 0.002
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 user to escalate their privileges via lua auto patch scripts.
Published 2024-11-12 · Analyzed
8.8EPSS 0.002
CVE-2024-52968
An improper authentication in Fortinet FortiClientMac 7.0.11 through 7.2.4 allows attacker to gain improper access to MacOS via empty password.
Published 2025-02-11 · Analyzed
8.4EPSS 0.002
CVE-2021-43066
A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.
Published 2022-05-11 · Modified
8.4EPSS 0.002
CVE-2024-31492
An external control of file name or path vulnerability [CWE-73] in FortiClientMac version 7.2.3 and below, version 7.0.10 and below installer may allow a local attacker to execute arbitrary code or commands via writing a malicious configuration file in /tmp before starting the installation process.
Published 2024-04-10 · Analyzed
8.2EPSS 0.003
CVE-2023-45588
An external control of file name or path vulnerability [CWE-73] in FortiClientMac version 7.2.3 and below, version 7.0.10 and below installer may allow a local attacker to execute arbitrary code or commands via writing a malicious configuration file in /tmp before starting the installation process.
Published 2025-03-14 · Analyzed
8.2EPSS 0.003
CVE-2021-41028
A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.
Published 2021-12-16 · Modified
8.2EPSS 0.002
CVE-2017-7344
A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0 allows attacker to gain privilege via exploiting the Windows "security alert" dialog thereby popping up when the "VPN before logon" feature is enabled and an untrusted certificate chain.
Published 2017-12-14 · Modified
8.1EPSS 0.019
CVE-2022-43946
Multiple vulnerabilities including an incorrect permission assignment for critical resource [CWE-732] vulnerability and a time-of-check time-of-use (TOCTOU) race condition [CWE-367] vulnerability in Fortinet FortiClientWindows before 7.0.7 allows attackers on the same file sharing network to execute commands via writing data into a windows pipe.
Published 2023-04-11 · Modified
8.1EPSS 0.007
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 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted host to execute arbitrary code via malicious packets.
Published 2026-08-12 · Analyzed
8.1EPSS 0.005
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 FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiGate and the FortiClient during the ZTNA tunnel creation
Published 2024-09-10 · Analyzed
8.1EPSS 0.004
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 name.
Published 2022-04-06 · Modified
8.0EPSS 0.005
CVE-2005-4570
The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.
Published 2005-12-29 · Modified
7.8EPSS 0.018
CVE-2018-13368
A local privilege escalation in Fortinet FortiClient for Windows 6.0.4 and earlier allows attacker to execute unauthorized code or commands via the command injection.
Published 2019-05-30 · Modified
7.8EPSS 0.008
CVE-2020-9290
An Unsafe Search Path vulnerability in FortiClient for Windows online installer 6.2.3 and below may allow a local attacker with control over the directory in which FortiClientOnlineInstaller.exe and FortiClientVPNOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious Filter Library DLL files in that directory.
Published 2020-03-15 · Modified
7.8EPSS 0.006
CVE-2019-6692
A malicious DLL preload vulnerability in Fortinet FortiClient for Windows 6.2.0 and below allows a privileged attacker to perform arbitrary code execution via forging that DLL.
Published 2019-10-24 · Modified
7.8EPSS 0.006
CVE-2020-9291
An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.
Published 2020-06-01 · Modified
7.8EPSS 0.005
CVE-2019-15711
A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to run system commands under root privilege via injecting specially crafted "ExportLogs" type IPC client requests to the fctsched process.
Published 2020-02-06 · Modified
7.8EPSS 0.005
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.
Published 2022-07-18 · Modified
7.8EPSS 0.005
CVE-2024-47574
A authentication bypass using an alternate path or channel in Fortinet FortiClientWindows version 7.4.0, versions 7.2.4 through 7.2.0, versions 7.0.12 through 7.0.0, and 6.4.10 through 6.4.0 allows low privilege attacker to execute arbitrary code with high privilege via spoofed named pipe messages.
Published 2024-11-13 · Analyzed
7.8EPSS 0.005
CVE-2019-17650
An Improper Neutralization of Special Elements used in a Command vulnerability in one of FortiClient for Mac OS root processes, may allow a local user of the system on which FortiClient is running to execute unauthorized code as root by bypassing a security check.
Published 2019-11-21 · Modified
7.8EPSS 0.004
CVE-2021-26089
An improper symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitrary privileged shell commands during installation phase.
Published 2021-07-12 · Modified
7.8EPSS 0.004
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.
Published 2019-05-30 · Modified
7.8EPSS 0.004
CVE-2015-7362
Fortinet FortiClient Linux SSLVPN before build 2313, when installed on Linux in a home directory that is world readable and executable, allows local users to gain privileges via the helper/subroc setuid program.
Published 2016-01-08 · Modified
7.8EPSS 0.004
CVE-2022-42470
A relative path traversal vulnerability in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.
Published 2023-04-11 · Modified
7.8EPSS 0.003
CVE-2018-9191
A local privilege escalation in Fortinet FortiClient for Windows 6.0.4 and earlier allows attackers to execute unauthorized code or commands via the named pipe responsible for Forticlient updates.
Published 2019-05-30 · Modified
7.8EPSS 0.003
CVE-2021-36183
An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates.
Published 2021-11-02 · Modified
7.8EPSS 0.003
CVE-2023-41840
A untrusted search path vulnerability in Fortinet FortiClientWindows 7.0.9 allows an attacker to perform a DLL Hijack attack via a malicious OpenSSL engine library in the search path.
Published 2023-11-14 · Modified
7.8EPSS 0.003
CVE-2024-36507
A untrusted search path in Fortinet FortiClientWindows versions 7.4.0, versions 7.2.4 through 7.2.0, versions 7.0.12 through 7.0.0 allows an attacker to run arbitrary code via DLL hijacking and social engineering.
Published 2024-11-12 · Analyzed
7.8EPSS 0.003
CVE-2021-32592
An unsafe search path vulnerability in FortiClientWindows 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x and FortiClientEMS 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x may allow an attacker to perform a DLL Hijack attack on affected devices via a malicious OpenSSL engine library in the search path.
Published 2021-12-01 · Modified
7.8EPSS 0.003
CVE-2026-24018
A UNIX symbolic link (Symlink) following vulnerability in Fortinet FortiClientLinux 7.4.0 through 7.4.4, FortiClientLinux 7.2.2 through 7.2.12 may allow a local and unprivileged user to escalate their privileges to root.
Published 2026-03-10 · Analyzed
7.8EPSS 0.002
CVE-2025-25251
An Incorrect Authorization vulnerability [CWE-863] in FortiClient Mac 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14 may allow a local attacker to escalate privileges via crafted XPC messages.
Published 2025-05-28 · Analyzed
7.8EPSS 0.002
CVE-2022-40682
A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.
Published 2023-04-11 · Modified
7.8EPSS 0.002
CVE-2025-47761
An Exposed IOCTL with Insufficient Access Control vulnerability [CWE-782] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would require bypassing the Windows memory protections such as Heap integrity and HSP. In addition, it requires a valid and running VPN IPSec connection.
Published 2025-11-18 · Modified
7.8EPSS 0.002
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