Fortinet vulnerabilities
We track 474 vulnerabilities in Fortinet products across 60+ products. 468 are rated high or critical, and 32 have been exploited in real attacks. The most recent was published on November 11, 2026.
Latest Fortinet vulnerabilities
- 7.8 High severity
Fortinet FortiTester: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in the command line interpreter of FortiTester 3.0.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an authenticated attacker to execute unauthorized
- 8.6 High severity
Fortinet AV Engine, FortiMail, FortiOS…: Insufficient Verification of Data Authenticity
An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment wi
- 7.8 High severity
Fortinet FortiSIEM: Use of Hard-coded Credentials
A improper authentication vulnerability in Fortinet FortiSIEM before 6.5.0 allows a local attacker with CLI access to perform operations on the Glassfish server directly via a hardcoded password.
- 9.8 Critical severity
Fortinet FortiTester: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in SSH login components of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated remote atta
- 9.8 Critical severity
Fortinet FortiTester: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in Console login components of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacke
- 9.8 Critical severity
Fortinet FortiTester: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in Telnet login components of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated remote a
- 7.5 High severity
Fortinet FortiOS, FortiProxy: Access of Uninitialized Pointer
A access of uninitialized pointer in Fortinet FortiOS version 7.2.0, 7.0.0 through 7.0.5, 6.4.0 through 6.4.8, 6.2.0 through 6.2.10, 6.0.x, FortiProxy version 7.0.0 through 7.0.4, 2.0.0 through 2.0.9, 1.2.x allows a remote unauthenticated or authenticated atta
- 9.8 Critical severity
Fortinet Multiple Products Authentication Bypass Exploited
An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an una
- 9.8 Critical severity
Fortinet FortiTester: Improper Restriction of Excessive Authentication Attempts
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiTester Telnet port 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacker to guess the credentials of an admin user via a
- 7.2 High severity
Fortinet FortiTester: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in the management interface of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an authenticated attacker to execute unauthorized com
- 7.2 High severity
Fortinet FortiSOAR: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSOAR before 7.2.1 allows an authenticated attacker to execute unauthorized code or commands via crafted HTTP GET requests.
- 8.8 High severity
Fortinet FortiSOAR: Improper Control of Generation of Code
An improper neutralization of special elements used in a template engine vulnerability [CWE-1336] in FortiSOAR management interface 7.2.0, 7.0.0 through 7.0.3, 6.4.0 through 6.4.4 may allow a remote and authenticated attacker to execute arbitrary code via a cr
- 7.8 High severity
Fortinet FortiSOAR: Improper Privilege Management
An improper privilege management vulnerability [CWE-269] in Fortinet FortiSOAR before 7.2.1 allows a GUI user who has already found a way to modify system files (via another, unrelated and hypothetical exploit) to execute arbitrary Python commands as root.
- 7.8 High severity
Fortinet FortiAP, FortiAP-S, FortiAP-W2…: Improper Neutralization of Special Elements used in an SQL Command
An improper neutralization of special elements [CWE-89] used in an OS command vulnerability [CWE-78] in the command line interpreter of FortiAP 6.0.0 through 6.4.7, 7.0.0 through 7.0.3, 7.2.0, FortiAP-S 6.0.0 through 6.4.7, FortiAP-W2 6.0.0 through 6.4.7, 7.0.
- 7.8 High severity
Fortinet FortiADC, FortiProxy, FortiMail…: Use of Externally-Controlled Format String
A format string vulnerability [CWE-134] in the command line interpreter of FortiADC version 6.0.0 through 6.0.4, FortiADC version 6.1.0 through 6.1.5, FortiADC version 6.2.0 through 6.2.1, FortiProxy version 1.0.0 through 1.0.7, FortiProxy version 1.1.0 throug
- 8.1 High severity
Fortinet FortiDeceptor: Improper Limitation of a Pathname to a Restricted Directory
Multiple relative path traversal vulnerabilities [CWE-23] in FortiDeceptor management interface 1.0.0 through 3.2.x, 3.3.0 through 3.3.2, 4.0.0 through 4.0.1 may allow a remote and authenticated attacker to retrieve and delete arbitrary files from the underlyi
- 8.1 High severity
Fortinet FortiDDoS: Use of Hard-coded Credentials
A use of hard-coded cryptographic key vulnerability [CWE-321] in FortiDDoS API 5.5.0 through 5.5.1, 5.4.0 through 5.4.2, 5.3.0 through 5.3.1, 5.2.0, 5.1.0 may allow an attacker who managed to retrieve the key from one device to sign JWT tokens for any device.
- 7.2 High severity
Fortinet FortiManager, FortiAnalyzer: Improper Neutralization of Special Elements used in an OS Command
A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiManager version 7.0.0 through 7.0.3, 6.4.0 through 6.4.7, 6.2.x and 6.0.x and FortiAnalyzer version 7.0.0 through 7.0.3, version 6.4.0 through 6.4.7,
- 7.1 High severity
Fortinet FortiClientWindows: Improper Privilege Management
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.
- 8.8 High severity
Fortinet FortiADC: Improper Neutralization of Special Elements used in an SQL Command
Multiple improper neutralization of special elements used in an SQL Command ('SQL Injection') vulnerabilities [CWE-89] in FortiADC management interface 7.0.0 through 7.0.1, 5.0.0 through 6.2.2 may allow an authenticated attacker to execute unauthorized code or
- 8.8 High severity
Fortinet FortiNAC: Weak Password Requirements
An empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below, 8.5.4, 8.6.0, 8.6.5 and below, 8.7.6 and below, 8.8.11 and below, 9.1.5 and below, 9.2.3 and below may allow an authenticated attacker to acce
- 8.8 High severity
Fortinet FortiNAC: Improper Neutralization of Special Elements used in an SQL Command
Multiple improper neutralization of special elements used in SQL commands ('SQL Injection') vulnerability [CWE-89] in FortiNAC version 8.3.7 and below, 8.5.2 and below, 8.5.4, 8.6.0, 8.6.5 and below, 8.7.6 and below, 8.8.11 and below, 9.1.5 and below, 9.2.2 an
- 7.8 High severity
Fortinet FortiEDR: Use of Hard-coded Credentials
A use of hard-coded cryptographic key vulnerability [CWE-321] in the registration mechanism of FortiEDR collectors versions 5.0.2, 5.0.1, 5.0.0, 4.0.0 may allow a local attacker to disable and uninstall the collectors from the end-points within the same deploy
- 9.1 Critical severity
Fortinet FortiEDR: Use of Hard-coded Credentials
A use of hard-coded cryptographic key vulnerability [CWE-321] in FortiEDR versions 5.0.2, 5.0.1, 5.0.0, 4.0.0 may allow an unauthenticated attacker on the network to disguise as and forge messages from other collectors.
- 7.8 High severity
Fortinet FortiAP-C: Improper Neutralization of Special Elements used in an OS Command
An improper neutralization of special elements used in an OS Command vulnerability [CWE-78] in FortiAP-C console 5.4.0 through 5.4.3, 5.2.0 through 5.2.1 may allow an authenticated attacker to execute unauthorized commands by running CLI commands with specific
- 8.8 High severity
Fortinet FortiManager, FortiAnalyzer: Improper Handling of Exceptional Conditions
A improper handling of insufficient permissions or privileges in Fortinet FortiAnalyzer version 5.6.0 through 5.6.11, FortiAnalyzer version 6.0.0 through 6.0.11, FortiAnalyzer version 6.2.0 through 6.2.9, FortiAnalyzer version 6.4.0 through 6.4.7, FortiAnalyze
- 7.8 High severity
Fortinet FortiOS Arbitrary File Download Exploited
A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.
- 6.5 Medium severity
Fortinet FortiOS Default Configuration Exploited
A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.
- 9.8 Critical severity
Fortinet FortiOS SSL VPN Improper Authentication Exploited
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of
- 6.5 Medium severity
Fortinet FortiOS Use of Hard-Coded Credentials Exploited
Use of a hard-coded cryptographic key to cipher sensitive data in FortiOS configuration backup file may allow an attacker with access to the backup file to decipher the sensitive data, via knowledge of the hard-coded key. The aforementioned sensitive data incl
- 7.5 High severity
Fortinet FortiOS and FortiProxy Improper Authorization Exploited
An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the passwo
- 9.8 Critical severity
Fortinet FortiOS SSL VPN Path Traversal Exploited
An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an una
- 6.5 Medium severity
Fortinet FortiOS and FortiProxy Out-of-bounds Write Exploited
A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users d
- 4.3 Medium severity
Fortinet FortiOS and FortiADC Improper Access Control Exploited
A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a