CVE-2021-23407

Name: CVE-2021-23407
Creator: NVD / NIST
Published: 2021-07-14T17:15:07.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.00%

Last modified Jun 17, 2026

CVE-2021-23407 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.

Description

This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.00%

78.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Elfinder.Net.Core Project	Elfinder.Net.Core	< 1.2.4

References

https://github.com/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73Patch, Third Party Advisory
https://github.com/trannamtrung1st/elFinder.Net.Core/releases/tag/all-1.2.4Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152Exploit, Patch, Third Party Advisory
https://github.com/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73Patch, Third Party Advisory
https://github.com/trannamtrung1st/elFinder.Net.Core/releases/tag/all-1.2.4Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152Exploit, Patch, Third Party Advisory

Timeline

Published: Jul 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23407?

This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.

How severe is CVE-2021-23407?

CVE-2021-23407 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23407?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23407?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST