The vulnerability of the FortiOS operating system arises from insufficient input data validation, allowing attackers to trigger a service failure.

The vulnerability of the FortiOS operating system exists due to the lack of input validation. Exploiting this vulnerability allows a malicious actor to cause a failure in the FortiOS web interface by entering a specially crafted string into the “params” field for URL addresses: /json...

The vulnerability of the FortiOS operating system arises from the lack of measures taken to protect the structure of web pages, allowing attackers to carry out cross-site scripting attacks.

The vulnerability of the FortiOS operating system exists due to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks by injecting malicious code into the “Groups” field when creating or editing...

CVE-2017-7739

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 craft...

CVE-2017-7739

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 craft...

Cross site scripting

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 craft...

CVE-2017-7739

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 craft...

CVE-2017-7739

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 craft...

CVE-2017-7739

CVE-2017-7739 (Fortinet FortiOS): A reflected XSS vulnerability in the web proxy disclaimer response page allows an unauthenticated attacker to inject arbitrary script/HTML by sending a malicious URL. The underlying issue is flawed input validation on the disclaimer page. Affected FortiOS version...

Fortinet FortiOS Cross-Site Scripting Vulnerability (CNVD-2017-33750)

Fortinet FortiOS is a set of security operating system developed by the U.S. Fiat Fortinet dedicated to the FortiGate network security platform. The system provides users with firewall, antivirus, IPSec/SSL VPN, Web content filtering and anti-spam and other security features. A cross-site scripti...

FortiOS SSL Deep-Inspection possible Insecure Renegotiation

FortiOS SSL Deep-Inspection may enable insecure renegotiation between TLS clients and servers that support secure renegotiation, opening the door to potential Man-in-the-Middle attacks CVE-2009-3555 against the TLS connection, where an attacker could inject arbitrary data in the connection withou...

FortiOS Reflected XSS in Web Proxy Disclaimer Response web page

A reflected XSS vulnerability exists in FortiOS web proxy disclaimer response web pages, potentially exploitable by an unauthenticated attacker, via sending a maliciously crafted URL to the victim. The victim visiting the malicious URL would then have arbitrary javascript code executed in the...

Fortinet FortiOS 5.4.x < 5.4.6 Denial of Service (FG-IR-17-206)

The version of Fortinet FortiOS running on the remote device is 5.4 prior to 5.4.6. It is, therefore, affected by a Denial of Service DoS vulnerability in the FortiOS webUI. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid104352; scriptversion"1.7";...

Fortinet FortiOS 5.4.x < 5.4.6 / 5.6.x < 5.6.1 XSS (FG-IR-17-113)

The version of Fortinet FortiOS running on the remote device is 5.4 prior to 5.4.6 or 5.6 prior to 5.6.1. It is, therefore, affected by a cross-site scripting XSS vulnerability in the FortiOS web GUI 'Login Disclaimer' redir parameter. C Tenable Network Security, Inc. include"compat.inc"; if...

Fortinet FortiOS Denial of Service Vulnerability (CNVD-2017-35607)

FortiOS is an intuitive operating system that lets you control all security and networking features of all FortiGates throughout your network. A denial of service vulnerability exists in Fortinet FortiOS. A remote authenticated user can cause the target web interface to be temporarily unavailable...

Fortinet FortiOS Cross-Site Scripting Vulnerability (CNVD-2017-36080)

Fortinet FortiOS is a set of security operating system developed by the U.S. Fiat Fortinet company dedicated to FortiGate network security platform. The system provides users with firewall, antivirus, IPSec/SSL VPN, Web content filtering and anti-spam and other security features. A cross-site...

CVE-2017-7733

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...

CVE-2017-14182

A Denial of Service DoS vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 allows an authenticated user to cause the web GUI to be temporarily unresponsive, via passing a specially crafted payload to the 'params' parameter of the JSON web API...

Cross site scripting

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...

CVE-2017-7733

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...

Denial of service

A Denial of Service DoS vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 allows an authenticated user to cause the web GUI to be temporarily unresponsive, via passing a specially crafted payload to the 'params' parameter of the JSON web API...