Fortinet FortiOS

An Integer Overflow or Wraparound vulnerability [CWE-190] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.2 all versions, 6.4 all versions, FortiProxy version 7.6.2 and below, version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions and FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versions, 1.2 all versions, 1.1 all versions, 1.0 all versions SSL-VPN RDP and VNC bookmarks may allow an authenticated user to affect the device SSL-VPN availability via crafted requests.

Lack of root file system integrity checking in Fortinet FortiOS VM application images all versions below 6.0.5 may allow attacker to implant malicious programs into the installing image by reassembling the image through specific methods.

An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiClient via revoked certificate.

An improper access control vulnerability in Fortinet FortiOS 7.2.0 - 7.2.4 and 7.4.0 allows an attacker to access a restricted resource from a non trusted host.

An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL VPN 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4 all versions may allow a remote attacker (e.g. a former admin whose account was removed and whose session was terminated) in possession of the SAML record of a user session to access or re-open that session via re-use of SAML record.

FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.

An improper access control vulnerability [CWE-284] in FortiOS versions 6.4.8 and prior and 7.0.3 and prior may allow an authenticated attacker with a restricted user profile to gather sensitive information and modify the SSL-VPN tunnel status of other VDOMs using specific CLI commands.

A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2 and below and Fortinet FortiProxy 2.0.0, 1.2.8 and below under SSL VPN web portal allows attacker to execute unauthorized malicious script code via the error or message handling parameters.

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to Execute unauthorized code or commands via the action input during the activation of a FortiToken.

The Web User Interface (WebUI) in FortiOS 5.0.x before 5.0.13, 5.2.x before 5.2.3, and 5.4.x before 5.4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or cross-site scripting (XSS) attacks via the "redirect" parameter to "login."

Multiple cross-site scripting (XSS) vulnerabilities in Fortinet FortiGate UTM WAF appliances with FortiOS 4.3.x before 4.3.6 allow remote attackers to inject arbitrary web script or HTML via vectors involving the (1) Endpoint Monitor, (2) Dialup List, or (3) Log&Report Display modules, or the fields_sorted_opt parameter to (4) user/auth/list or (5) endpointcompliance/app_detect/predefined_sig_list.

A Host Header Redirection vulnerability in Fortinet FortiOS all versions below 6.0.5 under SSL VPN web portal allows a remote attacker to potentially poison HTTP cache and subsequently redirect SSL VPN web portal users to arbitrary web domains.

A Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 and 5.6.0 allows a remote unauthenticated attacker to execute arbitrary javascript code via webUI "Login Disclaimer" redir parameter.

Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through 5.6.14, 6.0.0 through 6.0.12, 6.2.0 through 6.2.7, 6.4.0 through 6.4.4; and FortiProxy 1.2.0 through 1.2.9, 2.0.0 through 2.0.1 may allow a remote unauthenticated attacker to perform a reflected Cross-site Scripting (XSS) attack by sending a request to the error page with malicious GET parameters.

A reflected Cross-site Scripting (XSS) vulnerability in web proxy disclaimer response web pages in Fortinet FortiOS 5.6.0, 5.4.0 to 5.4.5, 5.2.0 to 5.2.11 allows an unauthenticated attacker to inject arbitrary web script or HTML in the context of the victim's browser via sending a maliciously crafted URL to the victim.

A Cross-site Scripting vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.7, 5.2 and earlier, allows attacker to inject arbitrary web script or HTML via maliciously crafted "Host" header in user HTTP requests.

A Cross-Site Scripting vulnerability in Fortinet FortiGate 5.2.0 through 5.2.10 allows attacker to execute unauthorized code or commands via the srcintf parameter during Firewall Policy Creation.

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. and in FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0 web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.

A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 5.2.0 to 5.6.10, 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "param" parameter of the error process HTTP requests.

A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "err" parameter of the error process HTTP requests.

An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs dashboard.

An improper input validation vulnerability in FortiOS 6.2.1, 6.2.0, 6.0.8 and below until 5.4.0 under admin webUI may allow an attacker to perform an URL redirect attack via a specifically crafted request to the admin initial password change webpage.

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in FortiOS version 7.0.5 and prior and 6.4.9 and prior may allow an unauthenticated remote attacker to perform a reflected cross site scripting (XSS) attack in the captive portal authentication replacement page.

A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison web caches via crafted HTTP requests, where the `Host` header points to an arbitrary webserver

An Improper Neutralization of Input During Web Page Generation vulnerability [CWE-79] 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, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSASE 25.2.a may allow an unauthenticated attacker to perform a reflected cross site scripting (XSS) via crafted HTTP requests.

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.3, FortiProxy 7.2.0 through 7.2.9 may allow an authenticated remote user to execute code or commands via crafted requests.

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS 6.4.1 and below, 6.2.9 and below may allow a remote unauthenticated attacker to either redirect users to malicious websites via a crafted "Host" header or to execute JavaScript code in the victim's browser context. This happens when the FortiGate has web filtering and category override enabled/configured.

An Improper Neutralization of Input vulnerability affecting FortiGate version 6.2.0 through 6.2.1, 6.0.0 through 6.0.6 in the hostname parameter of a DHCP packet under DHCP monitor page may allow an unauthenticated attacker in the same network as the FortiGate to perform a Stored Cross Site Scripting attack (XSS) by sending a crafted DHCP packet.

An URL Redirection to Untrusted Site vulnerabilities [CWE-601] 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, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSASE 25.2.a may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.

An improper privilege management vulnerability [CWE-269] in Fortinet FortiOS version 7.2.0 and before 7.0.7 and FortiProxy version 7.2.0 through 7.2.1 and before 7.0.7 allows an attacker that has access to the admin profile section (System subsection Administrator Users) to modify their own profile and upgrade their privileges to Read Write via CLI or GUI commands.

An Improper Privilege Management vulnerability [CWE-269] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.11, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.6.0, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiSASE 25.2.91 may allow an authenticated administrator to bypass the trusted host policy via crafted CLI command.

A key management errors vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.2, FortiAnalyzer 7.2.0 through 7.2.5, FortiAnalyzer 7.0 all versions, FortiAnalyzer 6.4 all versions, FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.5, FortiManager 7.0 all versions, FortiManager 6.4 all versions, FortiOS 7.6.0, FortiOS 7.4.4, FortiOS 7.2.7, FortiOS 7.0.14, FortiPortal 6.0 all versions may allow an authenticated admin to retrieve a certificate's private key via the device's admin shell.

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 remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.

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 received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.

The implementation of an ANSI X9.31 RNG in Fortinet FortiGate allows attackers to gain unauthorized read access to data handled by the device via IPSec/TLS decryption.

A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under VIP SSL feature when CPx being used.

A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under SSL Deep Inspection feature when CPx being used.

Long lived sessions in Fortinet FortiGate devices with FortiOS 5.x before 5.4.0 could violate a security policy during IPS signature updates when the FortiGate's IPSengine is configured in flow mode. All FortiGate versions with IPS configured in proxy mode (the default mode) are not affected.

A out-of-bounds write in Fortinet FortiOS versions 7.6.0, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4.0 through 6.4.15 allows attacker to trigger a denial of service via specially crafted packets.