CVE-2021-23427

Published: Sep 1, 2021Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.

Affected (1)

Products: Elfinder.netcore Project: Elfinder.netcore

Elfinder.netcore Project

1 product

Elfinder.netcore

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Elfinder.netcore Project Elfinder.netcore	All versions

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (4)

https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226

Source: report@snyk.io

Broken Link

https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778

Source: report@snyk.io

ExploitThird Party Advisory

https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.