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

Quick assessment

Affected
CrushFTP CrushFTP
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CrushFTP是一款文件传输服务器。 CrushFTP 10.7.1 和 11.1.0 之前版本存在安全漏洞，该漏洞源于允许低权限的远程攻击者从 VFS 沙箱之外的文件系统读取文件。

CVSS 9.8 · Critical KEV EPSS 99.54% · P100
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I. Basic Information for CVE-2024-4040

Vulnerability Information
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Vulnerability Title
Unauthenticated arbitrary file read and remote code execution in CrushFTP
Source: CVE Program / CVE List V5
Vulnerability 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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
CrushFTP 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CrushFTP是一款文件传输服务器。 CrushFTP 10.7.1 和 11.1.0 之前版本存在安全漏洞，该漏洞源于允许低权限的远程攻击者从 VFS 沙箱之外的文件系统读取文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
CrushFTP CrushFTP 10.0 ~ 10.7.1 -

II. Public POCs for CVE-2024-4040

# POC Description Source Link Shenlong Link
1 Scanner for CVE-2024-4040 https://github.com/airbus-cert/CVE-2024-4040 POC Details
2 CVE-2024-4040 (CrushFTP VFS escape) or (CrushFTP unauthenticated RCE) https://github.com/tr4c3rs/CVE-2024-4040-RCE-POC POC Details
3 Scanner of vulnerability on crushftp instance https://github.com/tucommenceapousser/CVE-2024-4040-Scanner POC Details
4 None https://github.com/rbih-boulanouar/CVE-2024-4040 POC Details
5 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. https://github.com/Mufti22/CVE-2024-4040 POC Details
6 CVE-2024-4040 CrushFTP SSTI LFI & Auth Bypass | Full Server Takeover | Wordlist Support https://github.com/Stuub/CVE-2024-4040-SSTI-LFI-PoC POC Details
7 Exploit for CVE-2024-4040 affecting CrushFTP server in all versions before 10.7.1 and 11.1.0 on all platforms https://github.com/Praison001/CVE-2024-4040-CrushFTP-server POC Details
8 Exploit CrushFTP CVE-2024-4040 https://github.com/Mohammaddvd/CVE-2024-4040 POC Details
9 None https://github.com/jakabakos/CVE-2024-4040-CrushFTP-File-Read-vulnerability POC Details
10 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. https://github.com/gotr00t0day/CVE-2024-4040 POC Details
11 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. https://github.com/1ncendium/CVE-2024-4040 POC Details
12 CVE-2024-4040 PoC https://github.com/olebris/CVE-2024-4040 POC Details
13 CVE-2024-4040 PoC https://github.com/entroychang/CVE-2024-4040 POC Details
14 None https://github.com/safeer-accuknox/CrushFTP-cve-2024-4040-poc POC Details
15 is a PoC for CVE-2024-4040 tool for exploiting the SSTI vulnerability in CrushFTP https://github.com/geniuszlyy/GenCrushSSTIExploit POC Details
16 None https://github.com/rahisec/CVE-2024-4040 POC Details
17 exploit for CVE-2024-4040 https://github.com/0xN7y/CVE-2024-4040 POC Details
18 is a PoC for CVE-2024-4040 tool for exploiting the SSTI vulnerability in CrushFTP https://github.com/geniuszly/GenCrushSSTIExploit POC Details
19 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. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-4040.yaml POC Details
20 Exploit for CVE-2024-4040 – Authentication bypass in CrushFTP via CrushAuth cookie and AWS-style header spoofing. Stealthy Python PoC with secure token generation, SSL bypass, and improved output. https://github.com/ill-deed/CrushFTP-CVE-2024-4040-illdeed POC Details
21 A Dockerized setup for running a vulnerable CrushFTP 10 server instance (CVE-2024-4040). https://github.com/juanorts/CrushFTP10-Docker-CVE-2024-4040 POC Details
22 Exploit CrushFTP CVE-2024-4040 https://github.com/dhammerg/CVE-2024-4040 POC Details
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III. Intelligence Information for CVE-2024-4040

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Security Blog Posts for CVE-2024-4040 (2)

News Coverage for CVE-2024-4040 (1)

Vendor Pages for CVE-2024-4040 (1)

Other References for CVE-2024-4040 (1)

IV. Related Vulnerabilities

Same product: CrushFTP
Same vendor: CrushFTP
Same weakness: CWE-1336

V. Comments for CVE-2024-4040

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