CVE-2020-36845

Name: CVE-2020-36845
Creator: NVD / NIST
Published: 2025-04-20T22:15:29.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2020-36845 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The KnowBe4 Security Awareness Training application before 2020-01-10 contains a redirect function that does not validate the destination URL before redirecting. The response has a SCRIPT element that sets window.location.href to an arbitrary https URL.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

The KnowBe4 Security Awareness Training application before 2020-01-10 contains a redirect function that does not validate the destination URL before redirecting. The response has a SCRIPT element that sets window.location.href to an arbitrary https URL.

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

0.21%

11.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Knowbe4	Security Awareness Training	< 2020-01-10

References

https://www.doyler.net/security-not-included/knowbe4-vulnerabilitiesExploit

Timeline

Published: Apr 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-36845?

How severe is CVE-2020-36845?

CVE-2020-36845 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36845?

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-2020-36845?

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

Scan your code now

Source: NVD / NIST