Skip to content
Fencer Vulns
critical 10.0

CVE-2025-64095 in the critical feed json

DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite

published 2025-10-28 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-36564 , GHSA-3m8r-w7xg-jqvw

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
47.0%
EPSS 47.0% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.

Patch / fix

  • nuget DNN.PLATFORM 10.1.1
  • dnnsoftware dotnetnuke 10.1.1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
12 mo ago

Exploit prediction

46.97% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
GitHub 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget DNN.PLATFORM
<10.1.1
10.1.1

Affected products

  • dnnsoftware Dnn.Platform

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.