What is CVE-2021-23415?

CVE-2021-23415 is a high-severity vulnerability in Elfinder.aspnet Project, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-07-28.

How severe is CVE-2021-23415?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Elfinder.aspnet Project

CVE-2021-23415

This affects the package elFinder.AspNet before 1.1.1. The user-controlled file name is not properly sanitized before it is used to create a file system path.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.9th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Elfinder.aspnet Project
Elfinder.aspnet — versions unspecified

Weakness classification (CWE)

CWE-22 — Path Traversal

References

snyk.io/vuln/SNYK-DOTNET-ELFINDERASPNET-1315153 (Exploit, Third Party Advisory)
github.com/mguinness/elFinder.AspNet/commit/675049b39284a9e84f0915c71d688da8ebc… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-23415?: CVE-2021-23415 is a high-severity vulnerability in Elfinder.aspnet Project, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-07-28.
How severe is CVE-2021-23415?: High severity. CVSS v3 base score is 7.5 out of 10.