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CVE-2017-14186

Quick assessment

Affected
Fortinet, Inc. FortiOS
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。SSL-VPN portal是其中的一个VPN管理界面。 Fortinet FortiOS中的SSL-VPN门户存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。以下产品及版本受到影响：Fortinet FortiOS 5.6.0版本

AI Predicted 6.1 Difficulty: Easy EPSS 3.72% · P89

Public Exploits 1

Nuclei · 1 CVE-2017-14186.yaml [template]
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I. Basic Information for CVE-2017-14186

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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 and below versions under SSL VPN web portal allows a remote user to inject arbitrary web script or HTML in the context of the victim's browser via the login redir parameter. An URL Redirection attack may also be feasible by injecting an external URL via the affected parameter.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS和SSL-VPN portal 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。SSL-VPN portal是其中的一个VPN管理界面。 Fortinet FortiOS中的SSL-VPN门户存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。以下产品及版本受到影响：Fortinet FortiOS 5.6.0版本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet, Inc. FortiOS 5.6.0 to 5.6.2 -

II. Public POCs for CVE-2017-14186

# POC Description Source Link Shenlong Link
1 FortiGate FortiOS through SSL VPN Web Portal contains a cross-site scripting vulnerability. The login redir parameter is not sanitized, so an attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks such as a URL redirect. Affected versions are 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, and 5.4 and below. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-14186.yaml POC Details
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III. Intelligence Information for CVE-2017-14186

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Vendor Advisories for CVE-2017-14186 (3)

IV. Related Vulnerabilities

Same product: FortiOS
Same vendor: Fortinet, Inc.

V. Comments for CVE-2017-14186

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