CVE-2017-14186

Name: CVE-2017-14186
Creator: NVD / NIST
Published: 2017-11-29T19:29:00.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.72%

Last modified Jun 17, 2026

CVE-2017-14186 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.72% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.72%

88.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortios	<= 5.0
Fortinet	Fortios	> 5.2.0, <= 5.2.12
Fortinet	Fortios	>= 5.4.0, <= 5.4.6
Fortinet	Fortios	>= 5.6.0, <= 5.6.2

References

http://www.securityfocus.com/bid/101955Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039891Third Party Advisory, VDB Entry
https://fortiguard.com/advisory/FG-IR-17-242Vendor Advisory
http://www.securityfocus.com/bid/101955Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039891Third Party Advisory, VDB Entry
https://fortiguard.com/advisory/FG-IR-17-242Vendor Advisory

Timeline

Published: Nov 29, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14186?

How severe is CVE-2017-14186?

Severity scoring for CVE-2017-14186 is pending analysis. The EPSS model estimates a 3.72% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14186?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14186?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST