CVE-2024-4040 CRITICAL

CVE-2024-4040: Unauthenticated arbitrary file read and remote code execution in CrushFTP

Vendor Crushftp
Product CrushFTP
Weakness CWE-1336
KEV Status Known Exploited
Published April 22, 2024
Last update October 21, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

April 22, 2024 CVE published
October 21, 2025 Record updated