CVE-2025-64095 (GCVE-0-2025-64095)

Vulnerability from cvelistv5 – Published: 2025-10-28 21:46 – Updated: 2025-10-29 14:51
VLAI Shadowserver
Title
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
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.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-29 14:50 UTC
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7994 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
dnnsoftware Dnn.Platform Affected: < 10.1.1
guessed Create a notification for this product.
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 33acd7cc-101d-4d2c-902f-6d624f64c19f

Vulnerability ID: CVE-2025-64095

Status: Confirmed

Status Updated: 2026-10-20 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2026-02-23
Asserted: 2026-02-23
Last Seen: 2026-10-20
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: DNN Corp / DNN (DotNetNuke) | Class: cms | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-10-20: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class cms
7D Avg 0
Vendor DNN Corp
30D Avg 0
90D Avg 0
Product DNN (DotNetNuke)
Cisa Kev no
Connections 1
Observation Date 2026-10-20
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-07-01 05:54 UTC | Updated: 2026-10-22 01:01 UTC
Show details on NVD website
To clipboard 

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