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
- 8.8 High severity
FortiWLM: 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 FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 allows attacker to execute unauthorized code or commands via specifically crafted HTTP get req
- 8.8 High severity
FortiWLM: 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 FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 allows attacker to execute unauthorized code or commands via specifically crafted HTTP get req
- 7.8 High severity
FortiAnalyzer: 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 FortiManager 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, 6.2 all versions, 6.0 all versions, FortiAnalyzer 7.2.0 throug
- 7.8 High severity
FortiIsolator: 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 FortiIsolator version 1.0.0, FortiIsolator version 1.1.0, FortiIsolator version 1.2.0 through 1.2.2, FortiIsolator version 2.0.0 through 2.0.1, FortiIsolat
- 7.8 High severity
FortiTester: Use of Hard-coded Credentials
A use of hard-coded credentials vulnerability [CWE-798] in FortiTester 2.3.0 through 7.2.3 may allow an attacker who managed to get a shell on the device to access the database via shell commands.
- 7.8 High severity
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 3.0.0 through 7.2.3 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments t
- 8.8 High severity
FortiAP-U: External Control of File Name or Path
An incomplete filtering of one or more instances of special elements vulnerability [CWE-792] in the command line interpreter of FortiAP-U 7.0.0, 6.2.0 through 6.2.5, 6.0 all versions, 5.4 all versions may allow an authenticated attacker to list and delete arbi
- 8.8 High severity
FortiWeb: Protection Mechanism Failure
A protection mechanism failure in Fortinet FortiWeb 7.2.0 through 7.2.1, 7.0.0 through 7.0.6, 6.4.0 through 6.4.3, 6.3.6 through 6.3.23 allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.
- 8.8 High severity
FortiADC: 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 FortiADC 7.1.0 through 7.1.1, 7.0.0 through 7.0.3, 6.2.0 through 6.2.5 and 6.1.0 all versions may allow an authenticated attacker to exec
- 9.8 Critical severity
FortiProxy: Out-of-bounds Write
A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7.0.9 and 7.2.0 through 7.2.2 allows a remote unauthenticated attacker to execute arbitrary code or com
- 9.8 Critical severity
An insufficient session expiration in Fortinet FortiOS 7.0.0 - 7.0.12 and 7.2.0 - 7.2.4 allows…
An insufficient session expiration in Fortinet FortiOS 7.0.0 - 7.0.12 and 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via reusing the session of a deleted user in the REST API.
- 7.5 High severity
FortiExtender: Improper Limitation of a Pathname to a Restricted Directory
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiExtender management interface 7.0.0 through 7.0.3, 4.2.0 through 4.2.4, 4.1.1 through 4.1.8, 4.0.0 through 4.0.2, 3.3.0 through 3.3.2, 3.2.1 throug
- 7.2 High severity
FortiWeb: 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 FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.18 and below may allow a privileged attacker to execute arbitrary bash comma
- 9.8 Critical severity
FortiNAC: Deserialization of Untrusted Data
A deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions of 8.x allows attacker to execute unauthorized code or commands via specifically crafted request on inter-server communication port. Note Fo
- 7.8 High severity
FortiADC: 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 FortiADC CLI 7.1.0, 7.0.0 through 7.0.3, 6.2.0 through 6.2.4, 6.1 all versions, 6.0 all versions may allow a local and authenticated attacker to execute unauthorized
- 9.8 Critical severity
Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Exploited
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, ver
- 7.8 High severity
FortiADC: Improper Neutralization of Special Elements used in an OS Command
Multiple improper neutralization of special elements used in an os command ('OS Command Injection') vulnerabilties [CWE-78] vulnerability in Fortinet allows a local authenticated attacker to execute arbitrary shell code as `root` user via crafted CLI requests.
- 9.8 Critical severity
FortiSIEM: Insufficiently Protected Credentials
A plaintext storage of a password vulnerability [CWE-256] in FortiSIEM 6.7 all versions, 6.6 all versions, 6.5 all versions, 6.4 all versions, 6.3 all versions, 6.2 all versions, 6.1 all versions, 5.4 all versions, 5.3 all versions may allow an attacker able t
- 7.8 High severity
FortiOS: Out-of-bounds Write
A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version 7.
- 7.5 High severity
An improper permissions, privileges, and access controls vulnerability [CWE-264] in FortiNAC-F…
An improper permissions, privileges, and access controls vulnerability [CWE-264] in FortiNAC-F 7.2.0, FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.0 all versions 8.7.0 all versions may allow an unauthenticated attacker to perform a DoS attac
- 7.8 High severity
FortiProxy: Use of Externally-Controlled Format String
A use of externally-controlled format string in Fortinet FortiOS version 7.2.0 through 7.2.4, FortiOS all versions 7.0, FortiOS all versions 6.4, FortiOS all versions 6.2, FortiProxy version 7.2.0 through 7.2.1, FortiProxy version 7.0.0 through 7.0.7 allows at
- 7.5 High severity
FortiSIEM: Use of a Broken or Risky Cryptographic Algorithm
A use of a broken or risky cryptographic algorithm [CWE-327] in Fortinet FortiSIEM before 6.7.1 allows a remote unauthenticated attacker to perform brute force attacks on GUI endpoints via taking advantage of outdated hashing methods.
- 8.8 High severity
FortiSIEM: Improper Restriction of Excessive Authentication Attempts
An Improper Restriction of Excessive Authentication Attempts [CWE-307] in FortiSIEM below 7.0.0 may allow a non-privileged user with access to several endpoints to brute force attack these endpoints.
- 7.2 High severity
FortiNAC: Improper Access Control
An access control vulnerability [CWE-284] in FortiNAC version 9.4.2 and below, version 9.2.7 and below, 9.1 all versions, 8.8 all versions, 8.7 all versions, 8.6 all versions, 8.5 all versions may allow a remote attacker authenticated on the administrative int
- 7.8 High severity
FortiADC: 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 FortiADC 7.2.0, 7.1.0 through 7.1.1 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.
- 7.1 High severity
FortiADC: Improper Limitation of a Pathname to a Restricted Directory
A relative path traversal [CWE-23] in Fortinet FortiADC version 7.2.0 and before 7.1.1 allows a privileged attacker to delete arbitrary directories from the underlying file system via crafted CLI commands.
- 7.8 High severity
FortiNAC: Use of Hard-coded Credentials
A use of hard-coded credentials vulnerability [CWE-798] in FortiNAC-F version 7.2.0, FortiNAC version 9.4.2 and below, 9.2 all versions, 9.1 all versions, 8.8 all versions, 8.7 all versions may allow an authenticated attacker to access to the database via shel
- 8.8 High severity
FortiOS: Out-of-bounds Write
A out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7,
- 9.0 Critical severity
FortiNAC: Improper Neutralization of Input During Web Page Generation
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiNAC-F version 7.2.0, FortiNAC version 9.4.2 and below, 9.2 all versions, 9.1 all versions, 8.8 all versions, 8.7 all versions in License Mana
- 7.5 High severity
FortiNAC: Improper Authentication
A weak authentication vulnerability [CWE-1390] in FortiNAC-F version 7.2.0, FortiNAC version 9.4.2 and below, 9.2 all versions, 9.1 all versions, 8.8 all versions, 8.7 all versions in device registration page may allow an unauthenticated attacker to perform pa
- 7.4 High severity
FortiNAC: Use of a Broken or Risky Cryptographic Algorithm
A use of a weak cryptographic algorithm vulnerability [CWE-327] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.0 all versions, 8.8.0 all versions, 8.7.0 all versions may increase the chances of an attacker to have access to sensitive information or to perfo
- 8.8 High severity
FortiSOAR: Improper Neutralization of Special Elements Used in a Template Engine
A improper neutralization of special elements used in a template engine vulnerability in Fortinet FortiSOAR 7.3.0 through 7.3.1 allows an authenticated, remote attacker to execute arbitrary code via a crafted payload.
- 8.1 High severity
FortiAnalyzer: Improper Certificate Validation
An improper certificate validation vulnerability [CWE-295] in FortiAnalyzer and FortiManager 7.2.0 through 7.2.1, 7.0.0 through 7.0.5, 6.4.8 through 6.4.10 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communicati
- 7.8 High severity
FortiClientMac: Download of Code Without Integrity Check
A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions
- 7.5 High severity
FortiNAC: Exposure of Sensitive Information to an Unauthorized Actor
An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below may allow an unauthenticated attacker to access sensitive information via cra
- 7.8 High severity
FortiWeb: 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 FortiWeb version 7.0.0 through 7.0.3, FortiADC version 7.1.0 through 7.1.1, FortiADC version 7.0.0 through 7.0.3, FortiADC 6.2 all versions, FortiADC 6.1 a
- 8.8 High severity
FortiOS: Improper Restriction of Excessive Authentication Attempts
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a v
- 8.1 High severity
FortiClientWindows: Time-of-check Time-of-use (TOCTOU) Race Condition
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
- 7.8 High severity
FortiClientWindows: Improper Limitation of a Pathname to a Restricted Directory
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.
- 9.8 Critical severity
FortiPresence: Missing Authentication for Critical Functionality
A missing authentication for critical function vulnerability [CWE-306] in FortiPresence infrastructure server before version 1.2.1 allows a remote, unauthenticated attacker to access the Redis and MongoDB instances via crafted authentication requests.