Vulnerability · Published Dec 18, 2025 · Assigned by VulnCheck
CVE-2020-36890Kentico Xperience <= 10 Administrator Access Control Bypass
High 7.2
In plain English
A high-severity missing authorization in Xperience from Kentico. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.3%top 72.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- Kentico DevNet Hotfixes vendor-advisory, patch
- VulnCheck Advisory: Kentico Xperience <= 10 Administrator Access Control Bypass third-party-advisory