CVE-2024-4040
CrushFTP VFS Sandbox Escape Vulnerability
IN CISA KEV
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
- CrushFTP
- Product
- CrushFTP
- CVSS 3.1
- 10 (critical), scored by NVD (primary)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1
- 9.8 (critical), scored by 430a6cef-dc26-47e3-9fa8-52fb7f19644eCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2024-04-22
- NVD modified
- 2026-06-17
- NVD status
- Analyzed
CISA KEV
- Date added
- 2024-04-24
- Due date
- 2024-05-01
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS
100% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
References
- www.bleepingcomputer.com (Press/Media Coverage, Third Party Advisory)
- www.crushftp.com (Patch, Vendor Advisory)
- www.crushftp.com (Patch, Vendor Advisory)
- www.rapid7.com (Third Party Advisory)
- www.reddit.com (Issue Tracking, Patch)
- www.bleepingcomputer.com (Press/Media Coverage, Third Party Advisory)
- www.crushftp.com (Patch, Vendor Advisory)
- www.crushftp.com (Patch, Vendor Advisory)
- www.rapid7.com (Third Party Advisory)
- www.reddit.com (Issue Tracking, Patch)
- www.cisa.gov (US Government Resource)
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.