Skip to main content

Crushftp CVE-2024-4040

CRITICAL
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2024-04-22 430a6cef-dc26-47e3-9fa8-52fb7f19644e
10.0
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V1 - Encoding and Sanitization Template injection prevention
Impact

CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.
Exploited in the wild (CISA KEV) Patch available 99.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

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. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-1336. 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. Affected products include: Crushftp. Version information: before 10.7.1.

Know when Crushftp gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 10.0 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Apr 22, 2024 - 20:15 nvd
CRITICAL 10.0

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
99.5%
Top 0% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV Yes
Public POC Yes
EPSS 99.5%
Patch available Yes
Active threat Yes
Deciding rule
In CISA KEV with patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
High

Priority Score

220
Low Medium High Critical
KEV: +50
EPSS: +100
CVSS: +50
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*
cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*
CVE-2025-31161 CRITICAL POC
9.8 Apr 03

CrushFTP 10 and 11 contain an authentication bypass allowing takeover of the crushadmin account through a race condition

CVE-2023-48795 MEDIUM POC
5.9 Dec 18

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remot

CVE-2023-43177 CRITICAL POC
9.8 Nov 18

CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes

CVE-2017-14035 CRITICAL
9.8 Aug 30

CrushFTP 8.x before 8.2.0 has a serialization vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is r

CVE-2024-53552 CRITICAL
9.8 Dec 10

CrushFTP 10 before 10.8.3 and 11 before 11.2.3 mishandles password reset, leading to account takeover. Rated critical se

CVE-2025-32103 MEDIUM POC
5.0 Apr 15

CrushFTP 9.x and 10.x through 10.8.4 and 11.x through 11.3.1 allows directory traversal via the /WebInterface/function/

CVE-2025-32102 MEDIUM POC
5.0 Apr 15

CrushFTP 9.x and 10.x through 10.8.4 and 11.x through 11.3.1 allows SSRF via the host and port parameters in a command=t

CVE-2017-14037 MEDIUM
6.1 Aug 30

CrushFTP before 7.8.0 and 8.x before 8.2.0 has an HTTP header vulnerability. Rated medium severity (CVSS 6.1), this vuln

CVE-2017-14036 MEDIUM
6.1 Aug 30

CrushFTP before 7.8.0 and 8.x before 8.2.0 has XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exp

CVE-2017-14038 MEDIUM
6.1 Aug 30

CrushFTP before 7.8.0 and 8.x before 8.2.0 has a redirect vulnerability. Rated medium severity (CVSS 6.1), this vulnerab

CVE-2024-22910 MEDIUM
6.1 May 14

Cross Site Scripting (XSS) vulnerability in CrushFTP v.10.6.0 and v.10.5.5 allows an attacker to execute arbitrary code

CVE-2025-63419 MEDIUM POC
6.1 Nov 12

Cross Site Scripting (XSS) vulnerability in CrushFTP 11.3.6_48. Rated medium severity (CVSS 6.1), this vulnerability is

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy