DNN File Upload Vulnerability

MEDIUM 6.5CVE-2020-5188 · GHSA-vjcm-j85r-7p68 · Published 24/02/2020 · updated 17/06/2026

In short

CVE-2020-5188 is a MEDIUM (CVSS 6.5) vulnerability affecting DotNetNuke.Core, dotnetnuke (dnnsoftware).
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 79.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
DotNetNuke.Core NuGet	`≤ 9.4.4`	No fix yet
dotnetnuke dnnsoftware	`≤ 9.4.4`	No fix yet

DNN (formerly DotNetNuke) through 9.4.4 has a File upload vulnerability via bypassing client-side file extension check

NVD description

DNN (formerly DotNetNuke) through 9.4.4 has Insecure Permissions.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

NuGet

≤ 9.4.4

No fix yet

≤ 9.4.4

No fix yet

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