How severe is CVE-2024-4040?

CVE-2024-4040 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 99.5% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

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

CISA Known Exploited Vulnerabilities

CrushFTP VFS Sandbox Escape Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-04-24

Remediation due

2024-05-01

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

CISA notes
https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update&version=34; https://nvd.nist.gov/vuln/detail/CVE-2024-4040

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.

Severity

CVSS 3.1 · CNA9.8 CRITICAL

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
CrushFTP	CrushFTP	10.0 to <10.7.1 11.0 to <11.1.0

References

7 Links

Vendor advisories

Exploits & PoCs

https://github.com/airbus-cert/CVE-2024-4040

Third-party advisories

Other references

Record Details

Published

2024-04-22

Last updated

2025-10-21

Assigner (CNA)

directcyber

Credited to

Simon Garrelou, of Airbus CERT

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-1336 · Template Injection

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.