CVE-2021-23415 : What You Need to Know

A detailed analysis of CVE-2021-23415, a vulnerability in elFinder.AspNet before version 1.1.1 that allows directory traversal attacks.

Understanding CVE-2021-23415

This CVE identifies a security issue in elFinder.AspNet, impacting versions below 1.1.1. It stems from improper handling of user-controlled filenames.

What is CVE-2021-23415?

The vulnerability in elFinder.AspNet (before 1.1.1) arises from insufficient sanitization of user-controlled file names, enabling attackers to navigate directories.

The Impact of CVE-2021-23415

With a CVSS base score of 7.5 (High), this flaw presents a significant risk, allowing threat actors to access sensitive files and directories.

Technical Details of CVE-2021-23415

Get insights into the technical aspects of CVE-2021-23415.

Vulnerability Description

The issue in elFinder.AspNet allows attackers to traverse directories using manipulated file names, potentially leading to unauthorized access.

Affected Systems and Versions

Product: elFinder.AspNet
Vendor: n/a
Versions Affected: < 1.1.1

Exploitation Mechanism

By exploiting this vulnerability, attackers can craft file names to move through directory structures and access restricted files.

Mitigation and Prevention

Discover how to address and prevent the CVE-2021-23415 vulnerability.

Immediate Steps to Take

Users should upgrade elFinder.AspNet to version 1.1.1 or apply official patches to mitigate the risk of directory traversal attacks.

Long-Term Security Practices

Implement secure coding practices, validate user inputs, and conduct regular security assessments to enhance overall system security.

Patching and Updates

Stay vigilant for security updates and promptly apply patches to address known vulnerabilities in elFinder.AspNet.