CVE-2020-36845
The KnowBe4 Security Awareness Training application before 2020-01-10 contains a redirect...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-36845- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2020-30795
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.
- Record
EUVD-2020-30795- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rfcx-6p2f-m3vg
The KnowBe4 Security Awareness Training application before 2020-01-10 contains a redirect...
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.
- Record
GHSA-rfcx-6p2f-m3vg- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-36845- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36845 is a medium vulnerability (CVSS 5.3) in Knowbe4 Security Awareness Training, published April 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.