CVE-2025-52488
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
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.
- Record
CVE-2025-52488- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2025-18800
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.
- Record
EUVD-2025-18800- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mgfv-2362-jq96
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
DNN.PLATFORM allows a specially crafted series of malicious interaction can expose NTLM hashes to a third party SMB server. This vulnerability is fixed in 10.0.1.
- Record
GHSA-mgfv-2362-jq96- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-52488- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
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.
- Record
CVE-2025-52488- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-mgfv-2362-jq96
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
DNN.PLATFORM allows a specially crafted series of malicious interaction can expose NTLM hashes to a third party SMB server. This vulnerability is fixed in 10.0.1.
- Record
GHSA-mgfv-2362-jq96- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
DNN.PLATFORMNuGet |
6.0.0 up to 10.0.1 | 10.0.1 |
DNN.PLATFORMNuGet |
6.0.0 up to 10.0.1, plus listed versions 7.2.07.3.07.4.08.0.09.1.09.2.09.4.09.9.0 |
10.0.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | DNN (DotNetNuke) - Unicode Path Normalization NTLM Hash Disclosure | |
| PoC in GitHub | sh4den/CVE-2025-52488 | 2025-07-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-52488 is a high vulnerability (CVSS 8.6) in Dnnsoftware Dnn.platform, published June 20, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 35.8%, the 98th percentile. Fixed in DNN.PLATFORM 10.0.1.