What is CVE-2017-17736?

CVE-2017-17736 is a critical-severity vulnerability in Kentico Xperience, classified under Direct Request (Forced Browsing). CVSS score: 9.8/10. Published 2018-03-23.

How severe is CVE-2017-17736?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2017-17736 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Kentico Xperience

CVE-2017-17736

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.

Published 2018-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.685 (99.3th percentile), scored 2026-10-17.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.685 · newest: 0.685 · change: 0.000

Affected products

Kentico Xperience

Weakness classification (CWE)

CWE-425 — Direct Request (Forced Browsing)

Public proof-of-concept exploits

References

blog.hivint.com/advisory-access-control-bypass-in-kentico-cms-cve-2017-17736-49… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-17736?: CVE-2017-17736 is a critical-severity vulnerability in Kentico Xperience, classified under Direct Request (Forced Browsing). CVSS score: 9.8/10. Published 2018-03-23.
How severe is CVE-2017-17736?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-17736 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.