Forticlient Security Vulnerabilities
Format string vulnerability in Fortinet FortiClient 3.0.614, and possibly earlier, allows local users to execute arbitrary code via format string specifiers in the VPN connection name.
7.5AI Score
0.0004EPSS
FortiClient before 4.3.5.472 on Windows, before 4.0.3.134 on Mac OS X, and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and FortiClient SSL VPN before 4.0.2258 on Linux proceed with an SSL session after determining that the s...
6.3AI Score
0.001EPSS
The qm class in Fortinet FortiClient 5.2.3.091 for Android uses a hardcoded encryption key of FoRtInEt!AnDrOiD, which makes it easier for attackers to obtain passwords and possibly other sensitive data by leveraging the key to decrypt data in the Shared Preferences.
6.5AI Score
0.002EPSS
Fortinet FortiClient 5.2.028 for iOS does not validate certificates, which makes it easier for man-in-the-middle attackers to spoof SSL VPN servers via a crafted certificate.
6.2AI Score
0.001EPSS
The Endpoint Control protocol implementation in Fortinet FortiClient 5.2.3.091 for Android and 5.2.028 for iOS does not validate certificates, which makes it easier for man-in-the-middle attackers to spoof servers via a crafted certificate.
6.1AI Score
0.001EPSS
The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, and (4) mdare64_52.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to read arbitrary kernel memory via a 0x22608C ioctl call.
6.2AI Score
0.0004EPSS
The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, and (4) mdare64_52.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to write to arbitrary memory locations via a 0x226108 ioctl call.
6.6AI Score
0.0004EPSS
The Fortishield.sys driver in Fortinet FortiClient before 5.2.4 allows local users to execute arbitrary code with kernel privileges by setting the callback function in a (1) 0x220024 or (2) 0x220028 ioctl call.
7.1AI Score
0.001EPSS
The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, (4) mdare64_52.sys, and (5) Fortishield.sys drivers in Fortinet FortiClient before 5.2.4 do not properly restrict access to the API for management of processes and the Windows registry, which allows local users to obtain a privileged h...
6.8AI Score
0.0004EPSS
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.
7.8CVSS
7.6AI Score
0.0004EPSS
In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability.
8.8CVSS
8.8AI Score
0.001EPSS
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 i...
8.8CVSS
8.5AI Score
0.001EPSS
Users' VPN authentication credentials are unsafely encrypted 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 4.4.2335 and below versions, due to the use of a static encryption key and weak encrypt...
7.5CVSS
7.8AI Score
0.001EPSS
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.
8.1CVSS
8.3AI Score
0.009EPSS
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.
7.8CVSS
8.1AI Score
0.0004EPSS
A null pointer dereference vulnerability in Fortinet FortiClientWindows 6.0.2 and earlier allows attacker to cause a denial of service via the NDIS miniport driver.
5.5CVSS
5.3AI Score
0.0004EPSS
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.
7.8CVSS
7.9AI Score
0.0004EPSS
A local privilege escalation in Fortinet FortiClient for Windows 6.0.4 and earlier allows attacker to execute unauthorized code or commands via the parsing of the file.
7.8CVSS
7.9AI Score
0.0004EPSS
Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and rece...
5.9CVSS
5.5AI Score
0.001EPSS
A clear text storage of sensitive information vulnerability in FortiClient for Mac may allow a local attacker to read sensitive information logged in the console window when the user connects to an SSL VPN Gateway.
5.5CVSS
5.1AI Score
0.0004EPSS
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.
7.8CVSS
7.8AI Score
0.001EPSS
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-coded...
5.5CVSS
5.4AI Score
0.0004EPSS
A Denial of service (DoS) vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to cause FortiClient processes running under root privilege crashes via sending specially crafted IPC client requests to the fctsched process due the nanomsg not been correctly vali...
6.5CVSS
6.6AI Score
0.001EPSS
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, ...
7.1CVSS
7.3AI Score
0.0004EPSS
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.
7.8CVSS
7.7AI Score
0.0004EPSS
A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv dat...
6.5CVSS
6.8AI Score
0.001EPSS
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.
9.8CVSS
9.5AI Score
0.002EPSS
An improper access control vulnerability in FortiClientMac before 6.0.5 may allow an attacker to affect the application's performance via modifying the contents of a file used by several FortiClientMac processes.
6.1CVSS
6.1AI Score
0.0004EPSS
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...
7.8CVSS
7.9AI Score
0.002EPSS
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.
7.8CVSS
7.7AI Score
0.001EPSS
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 mali...
7.8CVSS
7.8AI Score
0.001EPSS
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.
7.8CVSS
7.6AI Score
0.0004EPSS
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 n...
8CVSS
8.1AI Score
0.001EPSS
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.
7.8CVSS
7.9AI Score
0.0004EPSS
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.
7.8CVSS
7.4AI Score
0.001EPSS
An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may allow an unauthenticated attacker to bypass the webfilter control via modifying the session-id paramater.
5.3CVSS
5.3AI Score
0.001EPSS
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.
7.8CVSS
7.6AI Score
0.0004EPSS
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 u...
8.2CVSS
7.4AI Score
0.001EPSS
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.
7.8CVSS
7.5AI Score
0.0004EPSS
An improper control of generation of code vulnerability [CWE-94] in FortiClientMacOS versions 7.0.0 and below and 6.4.5 and below may allow an authenticated attacker to hijack the MacOS camera without the user permission via the malicious dylib file.
5CVSS
5.1AI Score
0.0004EPSS
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.
8.4CVSS
7.8AI Score
0.0004EPSS
A improper control of a resource through its lifetime in Fortinet FortiClientWindows version 6.4.1 and 6.4.0, version 6.2.9 and below, version 6.0.10 and below allows attacker to cause a complete denial of service of its components via changes of directory access permissions.
4.4CVSS
4.7AI Score
0.0004EPSS
An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may allow an unauthenticated attacker to access the confighandler webserver via external binaries.
5.3CVSS
5.1AI Score
0.001EPSS
An incorrect permission assignment for critical resource vulnerability [CWE-732] in FortiClient for Linux version 6.0.8 and below, 6.2.9 and below, 6.4.7 and below, 7.0.2 and below may allow an unauthenticated attacker to access sensitive information in log files and directories via symbolic links.
7.5CVSS
7.4AI Score
0.002EPSS
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.
8.8CVSS
8.7AI Score
0.0004EPSS
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.
7.7CVSS
6.8AI Score
0.0004EPSS
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 insta...
7CVSS
5.2AI Score
0.0004EPSS
An exposure of sensitive information to an unauthorized actor vulnerabiltiy [CWE-200] in FortiClient for Mac versions 7.0.0 through 7.0.5 may allow a local authenticated attacker to obtain the SSL-VPN password in cleartext via running a logstream for the FortiTray process in the terminal.
5.5CVSS
5.2AI Score
0.0004EPSS
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 cause denial of service via sending a crafted request to a specific named pipe.
7.1CVSS
6.7AI Score
0.0004EPSS
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.
7.8CVSS
7.7AI Score
0.0004EPSS