CVE-2020-15937

Name: CVE-2020-15937
Creator: NVD / NIST
Published: 2021-03-03T16:15:12.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-15937 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs dashboard.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs dashboard.

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

0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fortinet	Fortios	>= 6.2.0, < 6.2.5
Fortinet	Fortios	>= 6.4.0, < 6.4.1

References

https://fortiguard.com/advisory/FG-IR-20-068Not Applicable, Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-068Not Applicable, Vendor Advisory

Timeline

Published: Mar 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15937?

How severe is CVE-2020-15937?

CVE-2020-15937 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15937?

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-2020-15937?

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

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Source: NVD / NIST