CVE-2021-24014

Name: CVE-2021-24014
Creator: NVD / NIST
Published: 2021-08-04T19:15:08.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2021-24014 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Multiple instances of improper neutralization of input during web page generation vulnerabilities in FortiSandbox before 4.0.0 may allow an unauthenticated attacker to perform an XSS attack via specifically crafted request parameters.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

Multiple instances of improper neutralization of input during web page generation vulnerabilities in FortiSandbox before 4.0.0 may allow an unauthenticated attacker to perform an XSS attack via specifically crafted request parameters.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.61%

44.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortisandbox	<= 3.1.4
Fortinet	Fortisandbox	>= 3.2.0, < 3.2.3

References

https://fortiguard.com/advisory/FG-IR-20-209Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-209Vendor Advisory

Timeline

Published: Aug 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24014?

How severe is CVE-2021-24014?

CVE-2021-24014 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24014?

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-2021-24014?

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

Scan your code now

Source: NVD / NIST