Critical 9.8Known exploited (CISA KEV)Published Apr 22, 2024

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

Updated under an hour ago (Oct 27, 2026, 7:30 AM ET)

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It affects CrushFTP. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Apr 24, 2024; federal agencies had to remediate by May 1, 2024. Treat that date as your deadline.

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Every CVE for CrushFTP

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-1336
Known exploited: Added to CISA KEV Apr 24, 2024; federal remediation due May 1, 2024Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 99.54% (percentile 100)
Assigned by: directcyber
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

CrushFTP CrushFTP crushftp:crushftp (from the name)	from 10.0 before 10.7.1; from 11.0 before 11.1.0	CNA record
crushftp crushftp crushftp:crushftp	from 10.0 before 10.7.1	CISA ADP
crushftp crushftp crushftp:crushftp	from 10.0.0 before 10.7.1; from 11.0.0 before 11.1.0	NVD

References

References

https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update	vendor-advisory, patch
https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update	vendor-advisory, patch
https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/	related, issue-tracking, patch
https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/	media-coverage, press/media-coverage, third-party-advisory
https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/	third-party-advisory, exploit, issue-tracking
https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/	third-party-advisory
https://github.com/airbus-cert/CVE-2024-4040	exploit, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.