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CVE-2024-4040
Unauthenticated arbitrary file read and remote code execution in CrushFTP
Critical9.8Known exploitedEPSS 99.5%
- Published
- Updated
- Reserved
- Assigned by
- directcyber
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as CrushFTP VFS Sandbox Escape Vulnerability.
- Added
- 24 Apr 2024
- Fix due (US federal)
- 1 May 2024
- Used by ransomware
- Not known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| directcyberCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.5% · top 0.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
References (8)
- https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update (opens in a new tab)vendor-advisoryx_transferred
- https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update (opens in a new tab)vendor-advisoryx_transferred
- https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/ (opens in a new tab)relatedx_transferred
- https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/ (opens in a new tab)media-coveragex_transferred
- https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/ (opens in a new tab)third-party-advisoryx_transferred
- https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/ (opens in a new tab)third-party-advisoryx_transferred
- https://github.com/airbus-cert/CVE-2024-4040 (opens in a new tab)exploitx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-4040)Record last updated .