CVE-2021-23427 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-23427, affecting elFinder.NetCore with a vulnerability related to arbitrary file extraction due to insufficient validation.

Understanding CVE-2021-23427

This CVE involves a security issue in the ExtractAsync function within the FileSystem, making it vulnerable to arbitrary extraction in elFinder.NetCore.

What is CVE-2021-23427?

This vulnerability impacts all versions of elFinder.NetCore, allowing attackers to perform arbitrary file extraction due to inadequate validation within the FileSystem.

The Impact of CVE-2021-23427

With a CVSS base score of 8.6 (High), this CVE poses a significant threat, particularly affecting confidentiality with a high impact.

Technical Details of CVE-2021-23427

Explore the technical specifics of CVE-2021-23427 to understand its implications and potential risks.

Vulnerability Description

The vulnerability in the ExtractAsync function of elFinder.NetCore's FileSystem allows for arbitrary file extraction, leading to potential security breaches.

Affected Systems and Versions

All versions of elFinder.NetCore are affected by this CVE, putting systems at risk of arbitrary file extraction attacks.

Exploitation Mechanism

The vulnerability is exploited through the insufficient validation in the FileSystem, enabling threat actors to extract files at will.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-23427 and enhance overall system security.

Immediate Steps to Take

It is crucial to apply immediate security patches released by the vendor to address the vulnerability and prevent exploitation.

Long-Term Security Practices

Implement robust security practices such as regular security audits, access controls, and ongoing monitoring to safeguard against similar vulnerabilities.

Patching and Updates

Stay informed about security updates for elFinder.NetCore and ensure timely patching to mitigate the risks associated with CVE-2021-23427.