CVE-2020-36890
Kentico Xperience <= 10 Administrator Access Control Bypass
- State
- Published
- Severity
- 8.6 High
- Published
- Dec 18, 2025
- Updated
- Aug 10, 2026
- Reserved
- Dec 9, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulnCheck |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
XperienceKentico |
|
References
- Kentico DevNet Hotfixesvendor-advisorypatch
- VulnCheck Advisory: Kentico Xperience <= 10 Administrator Access Control Bypassthird-party-advisory
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