CVE-2017-17736

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 68.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-03-23 · updated 2026-06-17
Weakness: CWE-425

Description

Kentico 9.0 before 9.0.51 and 10.0 before 10.0.48 allows remote attackers to obtain Global Administrator access by visiting CMSInstall/install.aspx and then navigating to the CMS Administration Dashboard.

Affected products

Kentico Xperience: from 9.0 before 9.0.51; from 10.0 before 10.0.48 — fixed in 10.0.48, 9.0.51

How to fix

Upgrade to a fixed version: Kentico Xperience 10.0.48, 9.0.51. Check the vendor advisory for mitigations.

References

https://blog.hivint.com/advisory-access-control-bypass-in-kentico-cms-cve-2017-17736-49e1e43ae55b
https://blog.hivint.com/advisory-access-control-bypass-in-kentico-cms-cve-2017-17736-49e1e43ae55b

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