What’s Vulnerable › Vulnerabilities

CVE-2021-23407: Directory Traversal

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• elFinder.Net.Core: before 1.2.4 — fixed in 1.2.4

How to fix

Upgrade to a fixed version: elFinder.Net.Core 1.2.4. Check the vendor advisory for mitigations.

References

• https://github.com/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73
• https://github.com/trannamtrung1st/elFinder.Net.Core/releases/tag/all-1.2.4
• https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152
• https://github.com/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73
• https://github.com/trannamtrung1st/elFinder.Net.Core/releases/tag/all-1.2.4
• https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152

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