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Vulnerabilities

Vulnerability · CVE-2024-4040

CrushFTP VFS Sandbox Escape Vulnerability

Published Apr 19, 2024 · catalog updated Jun 17, 2026 · CrushFTP CrushFTP

Patch now

CVE-2024-4040 is in the CISA known-exploited catalog, due May 1, 2024. Confirm CrushFTP CrushFTP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical10.0
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.54%
Remediation
Remediation guidance
Affected products
cpe crushftp/crushftp · vendor 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 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe crushftp/crushftpversion unspecified
  • vendor CrushFTP CrushFTPversion unspecified

How to fix CVE-2024-4040

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-4040 is in the CISA known-exploited catalog, due May 1, 2024. Confirm CrushFTP CrushFTP against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine; CWE-94: Code Injection. EPSS 99.54%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2024 · Catalog

    Detected

    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.

  2. Apr 24, 2024 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. May 1, 2024 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 17, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2024-4040

    CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).

    cisa.gov
  • CVE.orgVulnerability recordCVE-2024-4040

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-4040

    30-day exploitation probability 99.5%

    first.org
  • Metasploit ModulesPublic exploit moduleauxiliary_gather/crushftp_fileread_cve_2024_4040

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2024-4040

    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 perf

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2024-4040

    CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.