Path Traversal in Elfinder.netcore Project

CVE-2021-23428

This affects all versions of package elFinder.NetCore. The Path.Combine(...) method is used to create an absolute file path. Due to missing sanitation of the user input and a missing check of the generated path its possible to escape the Files directory via path traversal

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-23428?
CVE-2021-23428 is a high-severity vulnerability in Elfinder.netcore Project, classified under Path Traversal. CVSS score: 8.6/10. Published 2021-09-01.
How severe is CVE-2021-23428?
High severity. CVSS v3 base score is 8.6 out of 10.