CISA KEV · Known exploitedCritical

CVE-2024-4040

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.

CVSS
10
EPSS
99.5%
99.9% percentile
CISA KEV
Listed
Published
2024.04.23
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability99.5%
Technical severityCVSS 10

Vulnerability overview

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 product and versions

Product
CrushFTP
Affected versions
10.0, 11.0, >= 10.0.0 < 10.7.1, >= 11.0.0 < 11.1.0
Fixed versions
10.7.1, 11.1.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

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

Due date: 2024.05.01
  1. 1
    Identify

    Confirm that CrushFTP and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
CWE-1336, CWE-94
KEV added
2024.04.24
Ransomware use
미확인
CVE-2024-4040 — CrushFTP | SECUFOCUS NOW