How severe is CVE-2025-52487?

No CVSS score has been assigned to CVE-2025-52487 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2025-52487?

CVE-2025-52487 affects the following packages: DNN.PLATFORM (NuGet). Ecosystems affected: NuGet.

How do I fix CVE-2025-52487?

Update DNN.PLATFORM to 10.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-52487 is resolved across your whole dependency graph.

How do I detect CVE-2025-52487 in my NuGet dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for DNN.PLATFORM, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2025-52487 if there is no patch (or I can't update yet)?

Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Is CVE-2025-52487 actively exploited in the wild?

No public exploit code has been indexed for CVE-2025-52487 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2025-52487?

CVE-2025-52487 has an EPSS (Exploit Prediction Scoring System) score of 0.3%, placing it in the 29th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2025-52487?

CVE-2025-52487 is classified as CWE-863 (CWE-863). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2025-52487 published, and has it been updated?

CVE-2025-52487 was published on June 21, 2025 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2025-52487: DNN.PLATFORM

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-52487.

EPSS Exploitation Probability

via FIRST.org ↗

0.3%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs29th percentile — riskier than 29% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

.NETDNN.PLATFORM

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects NuGet packages — download data is not available via public APIs for these ecosystems.

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login IP Filters allowing login attempts from IP Addresses not in the allow list. This issue has been patched in version 10.0.1.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
.NETNuGet	`DNN.PLATFORM`	≥ 7.0.0&&< 10.0.1	10.0.1`dotnet add package DNN.PLATFORM --version 10.0.1`

Affected Products

1 product · 1 configurations

Application

dotnetnukednnsoftware

≥ 7.0.0 && < 10.0.1

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for DNN.PLATFORM, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update DNN.PLATFORM to 10.0.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-52487 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 7.0.0 to before 10.0.1, DNN.PLATFORM allows a specially crafted request or proxy to be created that could bypass the design of DNN Login IP Filters allowing login attempts from IP Addresses not in the allow list. This issue has been patched in version 10.0.1.

O3 Security · Impact-Aware SCA

Is CVE-2025-52487 in your dependencies?

Find it across NuGet, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVE-2025-52487 — DNN.PLATFORM