How severe is CVE-2025-52488?

CVE-2025-52488 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-52488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52488?

CVE-2025-52488 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52488?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-52488 have an EU (EUVD) identifier?

Yes. CVE-2025-52488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18800.

When was CVE-2025-52488 published?

CVE-2025-52488 was published on 2025-06-21 and last updated on 2026-06-17.

CVE-2025-52488

CVE-2025-52488 is a high-severity vulnerability in Dnnsoftware Dotnetnuke with a CVSS 3.x base score of 8.6. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 29% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18800
Weakness: CWE-200
Affected product: Dnnsoftware Dotnetnuke
Published: 2025-06-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-52488?: 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.
How severe is CVE-2025-52488?: CVE-2025-52488 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-52488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52488?: CVE-2025-52488 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-52488 have an EU (EUVD) identifier?: Yes. CVE-2025-52488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18800.
When was CVE-2025-52488 published?: CVE-2025-52488 was published on 2025-06-21 and last updated on 2026-06-17.

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-mgfv-2362-jq96

Affected products (1)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

More vulnerabilities in Dnnsoftware Dotnetnuke

CVE-2025-64095 — Critical (CVSS 10.0): DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to…
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