CVE-2024-4040
Unauthenticated arbitrary file read and remote code execution in CrushFTP
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unauthenticated arbitrary file read and remote code execution in CrushFTP
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.
- Record
CVE-2024-4040- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
EUVDEUVD-2024-32605
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.
- Record
EUVD-2024-32605- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-46vf-c8gj-2pgq
VFS Sandbox Escape in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows...
VFS Sandbox Escape in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows remote attackers with low privileges to read files from the filesystem outside of VFS Sandbox.
- Record
GHSA-46vf-c8gj-2pgq- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-20, CWE-94, CWE-1336
- Updated
- 2026-11-02
CISA KEV No score
CrushFTP VFS Sandbox Escape Vulnerability
CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).
- Record
CVE-2024-4040- Weakness
- CWE-1336
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-4040- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336, CWE-94
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | airbus-cert/CVE-2024-4040 | 2024-04-23 |
| PoC in GitHub | Mufti22/CVE-2024-4040 | 2024-04-25 |
| PoC in GitHub | Stuub/CVE-2024-4040-SSTI-LFI-PoC | 2024-04-25 |
| PoC in GitHub | rbih-boulanouar/CVE-2024-4040 | 2024-04-25 |
| PoC in GitHub | 0xN7y/CVE-2024-4040 | 2024-04-28 |
| PoC in GitHub | GraySignal/CVE-2024-4040-CrushFTP-server | 2024-04-29 |
| PoC in GitHub | dhammerg/CVE-2024-4040 | 2024-04-30 |
| PoC in GitHub | jakabakos/CVE-2024-4040-CrushFTP-File-Read-vulnerability | 2024-05-01 |
| PoC in GitHub | gotr00t0day/CVE-2024-4040 | 2024-05-03 |
| PoC in GitHub | 1ncendium/CVE-2024-4040 | 2024-05-13 |
Show 11 moreShow less
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | olebris/CVE-2024-4040 | 2024-06-28 |
| PoC in GitHub | entroychang/CVE-2024-4040 | 2024-07-05 |
| PoC in GitHub | safeer-accuknox/CrushFTP-cve-2024-4040-poc | 2024-09-18 |
| PoC in GitHub | geniuszly/GenCrushSSTIExploit | 2024-09-30 |
| PoC in GitHub | rahisec/CVE-2024-4040 | 2024-10-23 |
| PoC in GitHub | ill-deed/CrushFTP-CVE-2024-4040-illdeed | 2025-07-04 |
| PoC in GitHub | juanorts/CrushFTP10-Docker-CVE-2024-4040 | 2025-11-05 |
| PoC in GitHub | cthhhhhh/CrushFTP-SSTI-LFI-Proof-of-Concept | 2026-05-06 |
| PoC in GitHub | Sidjaz/CrushFTP-CVE-2024-4040-Proof-of-Concept | 2026-05-08 |
| Nuclei | CrushFTP VFS - Sandbox Escape LFR | |
| Metasploit | CrushFTP Unauthenticated Arbitrary File Read |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-4040 is a critical vulnerability (CVSS 9.8) in Crushftp, published April 22, 2024. CISA lists it as known to be exploited, since April 24, 2024. EUVD reports exploitation since April 24, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.5%, the 99th percentile. No source names a fixed version.
References
crushftp.com/crush11wiki/Wiki.jsp?page=Update
reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable
bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately
rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise