What is CVE-2020-36890?

CVE-2020-36890 is a high-severity vulnerability in Kentico Xperience, classified under Missing Authorization. CVSS score: 7.2/10. Published 2025-12-18.

How severe is CVE-2020-36890?

High severity. CVSS v3 base score is 7.2 out of 10.

Auth bypass in Kentico Xperience

CVE-2020-36890

An access control bypass vulnerability in Kentico Xperience allows administrators to modify global administrator user privileges via unauthorized requests. Attackers could potentially compromise global administrator accounts and invalidate…

Vulnerability class: Broken Access Control

EPSS: 0.001 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Kentico Xperience — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Kentico DevNet Hotfixes (vendor-advisory, patch)
VulnCheck Advisory: Kentico Xperience <= 10 Administrator Access Control Bypass (third-party-advisory)

Frequently asked questions

What is CVE-2020-36890?: CVE-2020-36890 is a high-severity vulnerability in Kentico Xperience, classified under Missing Authorization. CVSS score: 7.2/10. Published 2025-12-18.
How severe is CVE-2020-36890?: High severity. CVSS v3 base score is 7.2 out of 10.