CVE-2025-64095: dotnetnuke before 10.1.1 (exclusive); +1 more affected products

CVE-2025-64095. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.4697 (percentile 0.98819), scored 17-Oct-2026.

Affected technology

dotnetnuke · before 10.1.1 (exclusive)
dnnsoftware

Dnn.Platform · < 10.1.1
dnnsoftware

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. Vendor/CNA’s CVSS 3.1 assessment (base score 10.0/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published 18-Oct-2026 22:51 UTC

CWE: CWE-434
CCR priority: 50.9 /100 (P3)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.4697 · percentile 0.98819 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-64095.html