CVE-2025-52488 DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
Attackers can force DNN to leak NTLM hashes to a malicious SMB server via crafted input, exposing credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-52488?
CVE-2025-52488 is a high-severity vulnerability in Dnnsoftware Dotnetnuke, published on 21 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted series of malicious interaction to potentially expose NTLM hashes to a third party SMB server. This issue has been patched in version 10.0.1.
Weakness: CWE-200
Which versions are affected by CVE-2025-52488?
2 open source packages ship an affected version, including DNN.PLATFORM. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
DNN.PLATFORM NuGet | From 6.0.0 | 10.0.1 |
DNN.PLATFORM NuGet | From 6.0.0 | 10.0.1 |
Products include Dnnsoftware Dotnetnuke.
How do I fix CVE-2025-52488?
Upgrade DNN.PLATFORM to 10.0.1 or later.
Is CVE-2025-52488 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-52488 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in Dnnsoftware Dotnetnuke
- CVE-2017-9822 DotNetNuke (DNN) Remote Code Execution
- CVE-2018-15811 DotNetNuke (DNN) Inadequate Encryption Strength
- CVE-2018-18325 DotNetNuke (DNN) Inadequate Encryption Strength
- CVE-2025-64095 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
- CVE-2006-3601 Privilege escalation in n/a
Sources
Also known as GHSA-mgfv-2362-jq96.