crushftp crushftp CVE-2024-4040 is a vulnerability in Crushftp
Published on April 22, 2024

A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This CrushFTP VFS Sandbox Escape Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).

The following remediation steps are recommended / required by May 1, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2024-4040 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2024-4040 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2024-4040

You can be notified by stack.watch whenever vulnerabilities like CVE-2024-4040 are published in these products:

Crushftp
 

What versions of Crushftp are vulnerable to CVE-2024-4040?