CVE-2024-4040

CRITICAL CISA KEV EPSS 99.9%
Published Apr 22, 20242y ago · Modified Jun 17, 20262w ago
10.0 CVSS 3.1
Critical
Find Similar
Published Apr 22, 2024 2y ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Apr 24, 2024 2y ago
KEV Due May 1, 2024 794d overdue

Description

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.

CVSS Details

Base Score
10.0
Exploitability
3.9
Impact
6.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 794d
Added
Apr 24, 2024
Due
May 1, 2024

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

EPSS Exploit Probability
99.9% percentile
Exploit & Patch Status
Actively Exploited (KEV)
Patch Available

Weaknesses 2

CWE-1336
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 2

VendorProductVersionRange
crushftpcrushftp*≥10.0.0  –  <10.7.1
crushftpcrushftp*≥11.0.0  –  <11.1.0

References 8

  • github.com https://github.com/airbus-cert/CVE-2024-4040
    ExploitThird Party Advisory
  • bleepingcomputer.com https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/
    Press/Media CoverageThird Party Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040
    US Government Resource
  • crushftp.com https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update
    PatchVendor Advisory
  • crushftp.com https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
    PatchVendor Advisory
  • rapid7.com https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/
    Third Party Advisory
  • reddit.com https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/
    ExploitIssue Tracking
  • reddit.com https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/
    Issue TrackingPatch

Remediation

  • crushftp.com https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update
    PatchVendor Advisory
  • crushftp.com https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
    PatchVendor Advisory
  • reddit.com https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/
    Issue TrackingPatch