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CVE-2025-64095

Dnnsoftware Dotnetnuke unrestricted file upload

10.0 CRITICALEPSS 47.0%
  1. Published28 Oct 2025

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Dnnsoftware Dotnetnuke< 10.1.1

Remediation

Fixed in
Dnnsoftware Dotnetnuke≥ 10.1.1

References

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Frequently asked

Is CVE-2025-64095 being actively exploited?

CVE-2025-64095 is not in the CISA KEV catalog. Its EPSS exploit probability is 47.0%.

How severe is CVE-2025-64095?

CVE-2025-64095 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 47.0% probability of exploitation.

Which products are affected by CVE-2025-64095?

Affected products include Dnnsoftware Dotnetnuke.

How do I fix CVE-2025-64095?

Upgrade affected software to a fixed version, for example Dnnsoftware Dotnetnuke 10.1.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-64095 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.