What is CVE-2020-36845?

CVE-2020-36845 is a medium-severity vulnerability in Knowbe4 Security Awareness Training, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.3/10. Published 2025-04-20.

How severe is CVE-2020-36845?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Open Redirect in Knowbe4 Security Awareness Training

CVE-2020-36845

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.

Vulnerability class: Open Redirect

EPSS: 0.002 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Knowbe4 Security Awareness Training — versions 0
Knowbe4 Security_awareness_training

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2020-36845?: CVE-2020-36845 is a medium-severity vulnerability in Knowbe4 Security Awareness Training, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.3/10. Published 2025-04-20.
How severe is CVE-2020-36845?: Medium severity. CVSS v3 base score is 5.3 out of 10.