What it is
CVE-2024-4040 is an unauthenticated vulnerability affecting CrushFTP CrushFTP. A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2024-4040
CrushFTP Arbitrary File Access
CrushFTP / CrushFTP · affected before 10.7.1
- Severity
- CVSS 9.8 · Critical
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 99.5%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
CrushFTP / CrushFTP affected before 10.7.1.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
CrushFTP Arbitrary File Access
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.
Vendor
Product
Affected
Status
crushftp
crushftp
Before 10.7.1
Affected
crushftp
crushftp
Before 11.1.0
Affected
CrushFTP
CrushFTP
Before 10.7.1
Affected
CrushFTP
CrushFTP
Before 11.1.0
Affected
- Published
- 22 Apr 2024
- Exploitation Reported
- 24 Apr 2024
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- None
Tags
nessus_scanner
nuclei_scanner
cisa
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-4040
- Vendor Advisory — crushftp.com crushftp.com · Vendor Advisory https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
- Vendor Advisory — crushftp.com crushftp.com · Vendor Advisory https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update
- Third-Party Advisory — reddit.com reddit.com · Third-Party Advisory https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awa...
- Third-Party Advisory — rapid7.com rapid7.com · Third-Party Advisory https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crush...
- GitHub — airbus-cert/CVE-2024-4040 github.com · Exploit https://github.com/airbus-cert/CVE-2024-4040
- Related — reddit.com reddit.com · Related https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_...
- Media Coverage — bleepingcomputer.com bleepingcomputer.com · Media Coverage https://www.bleepingcomputer.com/news/security/crushftp-warns-users-t...
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CISA
Independent exploitation attestation added to the KEV Intelligence record.
Proof of concept available
GitHub
Public scanner or PoC coverage increases practical exploitability.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-04-24 00:00 UTC |
| The Shadowserver | 2026-07-08 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Nuclei template detected 25 Apr 2025.
View Nuclei template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-4040.yaml | 25 Apr 2025 |
| Nessus | https://www.tenable.com/plugins/nessus/193917 | 26 Apr 2024 |
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
9.8
Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.5%
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
CrushFTP VFS - Sandbox Escape LFR
nuclei · Created Unknown
Timeline
From disclosure to observed exploitation
-
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
Public PoC available
Public proof-of-concept code published
-
Nuclei template available
Scanner coverage available
-
Nessus plugin available
Scanner coverage available
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2024-4040
Free JSON includes basic KEV fields{
"cve_id": "CVE-2024-4040",
"confidence": "Confirmed",
"cvss_score": 9.8,
"cvss_estimated": false,
"epss_score": 0.99539,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.