CVE-2020-36890

8.6 highEPSS 0.3%

High (8.6) in kentico xperience. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2025-12-18
Modified: 2026-08-10
Record from: the NVD, synced 2026-10-19

Affected

kentico:xperience

References

https://devnet.kentico.com/download/hotfixes
https://www.vulncheck.com/advisories/kentico-xperience-administrator-access-control-bypass

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