CVE-2019-6699

Name: CVE-2019-6699
Creator: NVD / NIST
Published: 2020-03-13T16:15:12.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2019-6699 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An improper neutralization of input vulnerability in Fortinet FortiADC 5.3.3 and earlier may allow an attacker to execute a stored Cross Site Scripting (XSS) via a field in the traffic group interface.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

An improper neutralization of input vulnerability in Fortinet FortiADC 5.3.3 and earlier may allow an attacker to execute a stored Cross Site Scripting (XSS) via a field in the traffic group interface.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.55%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortiadc	<= 5.3.3

References

https://fortiguard.com/advisory/FG-IR-19-220Vendor Advisory
https://fortiguard.com/advisory/FG-IR-19-220Vendor Advisory

Timeline

Published: Mar 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6699?

How severe is CVE-2019-6699?

CVE-2019-6699 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6699?

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-2019-6699?

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

Scan your code now

Source: NVD / NIST