CVE-2025-52488: Dnnsoftware DotNetNuke

High severity, CVSS 8.6. EPSS: 35.8% chance of exploitation in the next 30 days.

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted series of malicious interaction to potentially expose NTLM hashes to a third party SMB server. This issue has been patched in version 10.0.1.

Affected products

• Dnnsoftware DotNetNuke: from 6.0.0, before 10.0.1 (fixed in 10.0.1)

Published 2025-06-21. Last modified 2026-06-17.