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CVE-2019-12102

CriticalPublished

Kentico 11 through 12 lets attackers upload and explore files without authentication via the...

Published: May 22, 2019
Updated: Nov 15, 2024
Assigning CNA: mitre
Evidence observed: Aug 5, 2026

Primary CVSS

9.1/ 10Critical

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS probability estimate

1.9%

Low · next 30 days

Percentile: 78.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselectors/insertimageormedia/tabs_media.aspx URI. NOTE: The vendor disputes the report because the researcher did not configure the media library permissions correctly. The vendor states that by default all users can read/modify/upload files, and it’s up to the administrator to decide who should have access to the media library and set the permissions accordingly. See the vendor documentation in the references for more information

Sources

CVE-2019-12102-ScannerScanner
Automated scanner for CVE-2019-12102 unauthenticated file upload vulnerability in Kentico CMS. Checks domains, verifies with hash parameter, and outputs potentially and confirmed vulnerable targets.

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