Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2024-4040

CrushFTP VFS Sandbox Escape Vulnerability

CriticalExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run CrushFTP, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by May 1, 2024.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
CrushFTPCrushFTP>= 10.0.0, < 10.7.1; >= 11.0.0, < 11.1.010.7.1; 11.1.0KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2024-4040 scored CVSS 10.0: CrushFTP CrushFTP, CrushFTP VFS Sandbox Escape Vulnerability

    CISA lists this as exploited in the wild. Unpatched CrushFTP systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2024-4040: CrushFTP CrushFTP, CrushFTP VFS Sandbox Escape Vulnerability

    An official fix is now available for CrushFTP CrushFTP. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • crushftp.com https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update&version=34
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2024-4040
  • github.com https://github.com/airbus-cert/CVE-2024-4040
  • bleepingcomputer.com https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/
  • crushftp.com https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update
  • crushftp.com https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
  • rapid7.com https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-comp…
  • reddit.com https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/
  • reddit.com https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040