CVE-2025-52488Dotnetnuke Information Disclosure
DNN.PLATFORM leaks NTLM hash via SMB Share Interaction with malicious user input
Published Jun 20, 2025 · Updated Oct 21, 2026 · Also known as GHSA-mgfv-2362-jq96
Key Facts
Patch immediately- CVE-2025-52488 is a high-severity vulnerability (CVSS 8.6 v3.1) affecting Dotnetnuke (Dnnsoftware), DNN.PLATFORM (nuget).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 21, 2025. No public exploit code is known.
- EPSS estimates a 36% probability of exploitation in the next 30 days.
- Fixed versions are available, including DNN.PLATFORM 10.0.1, Dotnetnuke 10.0.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
36%
Higher than 98.4% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
53/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 21, 2025
31 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jul 21, 2025 | n/a | Not reported |
| Industry KEV feed | Jul 21, 2025 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| DotnetnukeDnnsoftware | See advisory | 10.0.1 |
| DNN.PLATFORMnuget | >= 6.0.0, >= 6.0.0, < 10.0.1 | 10.0.1 |
Patched Releases
DNN.PLATFORM
10.0.1
Dotnetnuke
10.0.1
Timeline
Publicly disclosed
Jun 20, 2025
Added to CIRCL KEV
Jul 21, 2025
Added to Industry KEV feed
Jul 21, 2025
Last updated
Oct 21, 2026
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisorycve.org · CVERecord
- advisorynvd.nist.gov · CVE-2025-52488
- advisoryGHSA advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.
Affected: Dotnetnuke (Dnnsoftware); DNN.PLATFORM (nuget) versions >= 6.0.0, >= 6.0.0, < 10.0.1. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 21, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including DNN.PLATFORM 10.0.1, Dotnetnuke 10.0.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-52488 On Your Attack Surface?
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