CVE-2024-4040: CrushFTP CrushFTP

Unauthenticated arbitrary file read and remote code execution in CrushFTP

CVSS 9.8 CriticalCriticalIn CISA KEVEPSS 1.00 · 99th percentile

Critical, because:

In CISA’s KEV catalogue since 24 Apr 2024: it is known to be exploited.
CVSS score 9.8: 9.0 or more.
CVSS score 9.8 (7.0 or more) and EPSS 1.00 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: directcyber) at 22 Apr 2024, 19:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
CrushFTP	CrushFTP https://www.crushftp.com/download.html	affected 10.0 to before 10.7.1 semver affected 11.0 to before 11.1.0 semver Other versions: affected

Identifiers

CVE-2024-4040

CNA

directcyber

Weakness (CWE)

CWE-1336

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (directcyber)

CISA KEV Listed since 24 Apr 2024: known to be exploited.
EPSS 1.00, the 99th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Apr 2024. New records show when each source confirmed them.

Sources

References from the CNA

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

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.