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🛡️ CVE-2025-64095 — dnn.platform

🔴 CVSS 10.0 — Critical ✅ No Known Exploit CWE-434 NVD
10.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2025-64095 is classified as CWE-434: Unrestricted Upload of File with Dangerous Type. Uploads are accepted without restricting type, so an executable file can be placed where the server will run it.

Affected software

CVE-2025-64095 is recorded against 2 packages.

  • dnn.platform (fixed in 10.1.1)
  • dotnetnuke (fixed in 10.1.1)

Timeline and source

Published on 29 October 2025. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Package)

Other advisories for this package

dnn.platform has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-434: Unrestricted Upload of File with Dangerous Type) in other software:

Details

Severity CRITICAL
CVSS Score 10.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-434
Public Exploit ✅ No
Source NVD
Published 2025-10-29
Updated 2026-08-20
Modified 2025-10-29
Fix URL N/A

Affected Packages

Software From version Fixed in
dnn.platform — 10.1.1
dotnetnuke — 10.1.1

Similar Threats

Exploit Protection

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CVE-2025-64095 carries CVSS 10.0 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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