CVE-2017-3133

Name: CVE-2017-3133
Creator: NVD / NIST
Published: 2017-09-12T02:29:00.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.87%

Last modified Jun 17, 2026

CVE-2017-3133 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.87% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

8.87%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortios	<= 5.6.0

References

http://www.securityfocus.com/bid/100009Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039020Third Party Advisory, VDB Entry
https://fortiguard.com/advisory/FG-IR-17-104Vendor Advisory
https://www.exploit-db.com/exploits/42388/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/100009Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039020Third Party Advisory, VDB Entry
https://fortiguard.com/advisory/FG-IR-17-104Vendor Advisory
https://www.exploit-db.com/exploits/42388/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Sep 12, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-3133?

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.

How severe is CVE-2017-3133?

Severity scoring for CVE-2017-3133 is pending analysis. The EPSS model estimates a 8.87% probability of exploitation in the next 30 days.

How do I fix CVE-2017-3133?

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-2017-3133?

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

Scan your code now

Source: NVD / NIST