DNN Path Traversal via Zip Slip

HIGH 8.8CVE-2020-5187 · GHSA-4qf5-7xc2-wqpg · Published 24/02/2020 · updated 17/06/2026

In short

CVE-2020-5187 is a HIGH (CVSS 8.8) vulnerability affecting DotNetNuke.Core, dotnetnuke (dnnsoftware).
Chance of exploitation in the next 30 days (EPSS): 2.4%, higher than 84.0% of all vulnerabilities.
Fix: update to 9.5.0 or later.

Package	Affected versions	Patched versions
DotNetNuke.Core NuGet	`< 9.5.0`	`9.5.0`
dotnetnuke dnnsoftware	`≤ 9.4.4`	No fix yet

DNN (formerly DotNetNuke) through 9.4.4 allows Path Traversal via unsafe handling of zip files

NVD description

DNN (formerly DotNetNuke) through 9.4.4 allows Path Traversal (issue 2 of 2).

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

Package

Affected versions

Patched versions

NuGet

< 9.5.0

9.5.0

≤ 9.4.4

No fix yet

More vulnerabilities in DotNetNuke.Core

See all →