CVE-2025-52487: DNN.PLATFORM DNN.PLATFORM Possibly Allows Bypass Of Vulnerability

HIGH
Advisory Identifier: GHSA-fjhg-3mrh-mm7h
Share
CWE-863
Published
Advisory Summary

CVE-2025-52487 is a HIGH dnn.platform possibly allows bypass of vulnerability (CWE-863: Incorrect Authorization) affecting DNN.PLATFORM libraries in the NuGet ecosystem. The issue involves dnn.platform possibly allows bypass of ip filters. Remediation is available by upgrading affected packages to version 10.0.1.

CVE-2025-52487 at a Glance

CVE Identifier CVE-2025-52487
GHSA Identifier GHSA-fjhg-3mrh-mm7h
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-863: Incorrect Authorization
Affected Product DNN.PLATFORM
Package Ecosystem NuGet
Published Date
Last Updated

How to Fix CVE-2025-52487

To remediate this vulnerability, upgrade all affected DNN.PLATFORM dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

DNN.PLATFORM fixed: 10.0.1 
Upgrade DNN.PLATFORM to 10.0.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for DNN.PLATFORM

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-52487, inspect your project dependencies for DNN.PLATFORM:

inspect dependencies for DNN.PLATFORM

Analyze the terminal output to locate any version of DNN.PLATFORM in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 10.0.1), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In DNN.PLATFORM, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

DNN.PLATFORM allows a specially crafted request or proxy to be created that would bypass the design of DNN Login IP Filters allowing login attempts from IP Adresses not in the allow list. This vulnerability is fixed in 10.0.1.

CVE-2025-52487 Affected DNN.PLATFORM Versions

1 component(s)
Fixed Versions:
10.0.1
Product / Package Ecosystem Affected Versions Fixed Version
DNN.PLATFORM
nuget/DNN.PLATFORM
NuGet
≥ 7.0.0
< 10.0.1
10.0.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fjhg-3mrh-mm7h
NVD — CVE-2025-52487 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52487
DNN.PLATFORM Source Repository REPOSITORY
https://github.com/dnnsoftware/Dnn.Platform

Frequently Asked Questions

What is CVE-2025-52487?
CVE-2025-52487 is a security vulnerability in DNN.PLATFORM involving DNN.PLATFORM possibly allows bypass of IP Filters under CWE-863: Incorrect Authorization.
Which DNN.PLATFORM versions are affected?
Affected versions include releases prior to 10.0.1 across affected packages: DNN.PLATFORM.
What version fixes CVE-2025-52487?
Upgrading to 10.0.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is DNN.PLATFORM affected?
Yes, DNN.PLATFORM is affected in releases prior to 10.0.1. Upgrade your dependency to 10.0.1 or later.
What CWE is associated with CVE-2025-52487?
CVE-2025-52487 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check NuGet dependencies for CVE-2025-52487?
Run the dependency tree command: 'inspect dependencies for DNN.PLATFORM'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-fjhg-3mrh-mm7h",
  "modified" : "2025-06-27T22:57:25Z",
  "published" : "2025-06-20T15:25:03Z",
  "aliases" : [ "CVE-2025-52487" ],
  "summary" : "DNN.PLATFORM possibly allows bypass of IP Filters",
  "details" : "DNN.PLATFORM allows a specially crafted request or proxy to be created that would bypass the design of DNN Login IP Filters allowing login attempts from IP Adresses not in the allow list. This vulnerability is fixed in 10.0.1.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "DNN.PLATFORM"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.0"
      }, {
        "fixed" : "10.0.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fjhg-3mrh-mm7h"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-52487"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dnnsoftware/Dnn.Platform"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-06-20T15:25:03Z",
    "nvd_published_at" : "2025-06-21T03:15:24Z"
  }
}