CVE-2021-32602

Name: CVE-2021-32602
Creator: NVD / NIST
Published: 2021-08-19T00:15:07.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2021-32602 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below, 5.3.6 and below, 5.2.6 and below, 5.1.2 and below, 5.0.3 and below, 4.2.2 and below, 4.1.2 and below, 4.0.4 and below may allow a remote and unauthenticated attacker to perform an XSS attack via sending a crafted request with an invalid lang parameter or with an invalid org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE value.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below, 5.3.6 and below, 5.2.6 and below, 5.1.2 and below, 5.0.3 and below, 4.2.2 and below, 4.1.2 and below, 4.0.4 and below may allow a remote and unauthenticated attacker to perform an XSS attack via sending a crafted request with an invalid lang parameter or with an invalid org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE value.

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

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortiportal	>= 4.0.0, <= 4.0.4
Fortinet	Fortiportal	>= 4.1.0, <= 4.1.2
Fortinet	Fortiportal	>= 4.2.0, <= 4.2.2
Fortinet	Fortiportal	>= 5.0.0, <= 5.0.3
Fortinet	Fortiportal	>= 5.1.0, <= 5.1.2
Fortinet	Fortiportal	>= 5.2.0, <= 5.2.6
Fortinet	Fortiportal	>= 5.3.0, <= 5.3.6
Fortinet	Fortiportal	>= 6.0.0, <= 6.0.4

References

https://fortiguard.com/advisory/FG-IR-20-066Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-066Vendor Advisory

Timeline

Published: Aug 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32602?

How severe is CVE-2021-32602?

CVE-2021-32602 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32602?

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-2021-32602?

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

Scan your code now

Source: NVD / NIST