Information disclosure in Dnnsoftware Dnn.platform

CVE-2025-52488

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.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.358 (98.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-52488: held from 0.358 to 0.358.

EPSS over last 30 days · oldest: 0.358 · newest: 0.358 · change: -0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-52488?
CVE-2025-52488 is a high-severity vulnerability in Dnnsoftware Dnn.platform, classified under Information Disclosure. CVSS score: 8.6/10. Published 2025-06-21.
How severe is CVE-2025-52488?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2025-52488 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.