CVE-2020-36890 HIGH

CVE-2020-36890: Kentico Xperience <= 10 Administrator Access Control Bypass

Vendor Kentico
Product Xperience
Weakness CWE-862 · Missing authorization
Published December 18, 2025
Last update December 18, 2025

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 security-sensitive macros by manipulating user privilege levels.

Key dates

02Disclosure timeline

December 18, 2025 CVE published
December 18, 2025 Record updated