FortiOS vulnerabilities
95 known vulnerabilities in FortiOS from Fortinet. 89 are rated high or critical, and 21 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 9.8 Critical severity
FortiOS: Missing Authentication for Critical Functionality
A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker with HA FGSP + standalone-config-sync, or auto
- 7.5 High severity
FortiOS: Stack-based Buffer Overflow
A stack-based buffer overflow vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.7 may allow an unauthenticated attacker with wad port access to crash proxy or ZTNA sessions via crafted HTTP or HTTPS requests.
- 7.4 High severity
FortiOS: Out-of-bounds Read
A out-of-bounds read vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a remote privileged attacker to execute arbitrary code or command via crafted paquets.
- 7.4 High severity
FortiOS: Path Traversal: '../filedir'
A path traversal: '../filedir' vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, Fort
- 9.6 Critical severity
FortiOS: Numeric Truncation Error
A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a configured ibgp neighbor to send malicious/malformed attributes to all connect
- 9.3 Critical severity
FortiOS: Authentication Bypass by Primary Weakness
A authentication bypass by primary weakness vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker to broadcast LSA via specially craf
- 8.1 High severity
FortiOS: Improper Certificate Validation
A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote and unauthenticated attacker to perform a
- 7.5 High severity
FortiOS: Improper Locking
A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.
- 8.1 High severity
FortiOS: Improper Validation of Certificate with Host Mismatch
A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>
- 8.1 High severity
FortiOS: Stack-based Buffer Overflow
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon vi
- 8.8 High severity
FortiOS: Out-of-bounds Write
A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
- 6.5 Medium severity
Fortinet Multiple Products Path Traversal Exploited
An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [CWE-22] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPA
- 8.8 High severity
FortiOS: Missing Authentication for Critical Functionality
A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacke
- 8.1 High severity
FortiOS: Authentication Bypass by Primary Weakness
An Authentication Bypass by Primary Weakness vulnerability [CWE-305] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is confi
- 5.9 Medium severity
Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Exploited
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a r
- 7.2 High severity
FortiOS: Use of Externally-Controlled Format String
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via s
- 9.8 Critical severity
Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Exploited
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiMan
- 9.8 Critical severity
Fortinet Multiple Products Heap-based Buffer Overflow Exploited
A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.
- 9.8 Critical severity
Fortinet Multiple Products Improper Verification of Cryptographic Signature Exploited
A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10,
- 7.5 High severity
FortiOS: Out-of-bounds Write
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiSASE 25.3.b
- 7.5 High severity
FortiOS: Stack-based Buffer Overflow
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via speciall
- 8.8 High severity
FortiPAM: Heap-based Buffer Overflow
An Heap-based Buffer Overflow vulnerability [CWE-122] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions; FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versions, 1.2 all versions
- 7.5 High severity
FortiProxy: Improper Validation of Certificate with Host Mismatch
An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions,
- 7.2 High severity
FortiPAM: Heap-based Buffer Overflow
A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through
- 7.2 High severity
FortiManager: Heap-based Buffer Overflow
A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.2, FortiAnalyzer 7.4.0 through 7.4.5, FortiAnalyzer 7.2.0 through 7.2.9, FortiAnalyzer 7.0.0 through 7.0.13, FortiAnalyzer 6.4 all versions, FortiAnalyzer 6.2 all versions,
- 7.8 High severity
FortiOS: Stack-based Buffer Overflow
A stack-based buffer overflow in Fortinet FortiOS version 7.4.0 through 7.4.1 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.12 and 6.4.6 through 6.4.15 and 6.2.9 through 6.2.16 and 6.0.13 through 6.0.18 allows attacker to execute unauthorized code or commands
- 7.2 High severity
FortiOS: Incorrect Privilege Assignment
An incorrect privilege assignment vulnerability [CWE-266] in FortiOS Security Fabric version 7.6.0 through 7.6.2, 7.4.0 through 7.4.7, 7.2 all versions, 7.0 all versions, 6.4 all versions, may allow a remote authenticated attacker with high privileges to escal
- 8.1 High severity
FortiProxy: Authentication Bypass Using an Alternate Path or Channel
An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS 6.2.0 through 6.2.16, FortiOS 6.0 all versions, FortiPAM 1.2.0, FortiPAM 1.1.0 through 1.1.2, FortiPAM 1.0.0 through 1.0.3, Fo
- 7.2 High severity
FortiProxy: Double Free
A double free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.1, FortiProxy
- 7.2 High severity
FortiOS: Missing Critical Step in Authentication
A missing critical step in authentication vulnerability [CWE-304] in Fortinet FortiOS version 7.6.0 through 7.6.1, 7.4.0 through 7.4.5, 7.2.0 through 7.2.10, and before 7.0.16 & FortiProxy version 7.6.0 through 7.6.1, 7.4.0 through 7.4.8, 7.2.0 through 7.2.13
- 7.2 High severity
FortiOS: Improper Privilege Management
An Improper Privilege Management vulnerability [CWE-269] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2.0 through 7.2.10, FortiOS 7.0.0 through 7.0.16, FortiOS 6.4.0 through 6.4.15, FortiProxy 7.6.0 through 7.6.
- 7.2 High severity
FortiProxy: Missing Authentication for Critical Functionality
A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4.4 through 7.4.6 and version 7.6.0 may allow an attacker with knowledge of an existing admin account t
- 7.5 High severity
FortiOS: Channel Accessible by Non-Endpoint
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7, 7.0.0 through 7.0.14, 6.4.0 through 6.4.15 and 6.2.0 through 6.2.16, Fortinet FortiProxy version
- 7.5 High severity
FortiProxy: Improper Restriction of Communication Channel to Intended Endpoints
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0
- 8.8 High severity
FortiProxy: Use of Uninitialized Resource
Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted r
- 9.8 Critical severity
FortiSwitchManager: Buffer Underwrite
A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.6, version 6.4.0 through 6.4.11 and version 6.2.12 and below, FortiProxy version 7.2.0 through 7.2
- 7.2 High severity
FortiPAM: Use of Externally-Controlled Format String
A use of externally-controlled format string vulnerability [CWE-134] in FortiOS version 7.4.0 through 7.4.4, version 7.2.0 through 7.2.9, version 7.0.0 through 7.0.15 and before 6.4.15, FortiProxy version 7.4.0 through 7.4.6, version 7.2.0 through 7.2.12 and b
- 8.1 High severity
Fortinet FortiOS and FortiProxy Authentication Bypass Exploited
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream an
- 7.2 High severity
FortiOS: Incorrect Privilege Assignment
An incorrect privilege assignment vulnerability [CWE-266] in Fortinet FortiOS version 7.6.0, 7.4.0 through 7.4.4, 7.2.0 through 7.2.9 and before 7.0.15 allows an authenticated admin whose access profile has the Security Fabric permission to escalate their priv
- 8.1 High severity
FortiOS: Stack-based Buffer Overflow
A stack-based buffer overflow [CWE-121] vulnerability in Fortinet FortiOS version 7.2.4 through 7.2.8 and version 7.4.0 through 7.4.4 allows a remote unauthenticated attacker to execute arbitrary code or commands via crafted UDP packets through the CAPWAP cont