CVE-2024-4040: Unauthenticated arbitrary file read and remote code execution in 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.
Other sources
CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).
— CISA
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
CrushFTPto a version that resolves this vulnerability.Fixed in 10.7.1 - Upgrade
Upgrade
CrushFTPto a version that resolves this vulnerability.Fixed in 11.1.0 - Compensating control
If you cannot apply vendor-provided mitigations for the CrushFTP VFS Sandbox Escape / server-side template injection vulnerabilities, discontinue use of the CrushFTP product.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-4040?
CVE-2024-4040 is a high severity vulnerability that allows unauthenticated remote attackers to read files and gain administrative access.
How do I fix CVE-2024-4040?
To fix CVE-2024-4040, upgrade your CrushFTP version to at least 10.7.1 or 11.1.0.
What software versions are affected by CVE-2024-4040?
CVE-2024-4040 affects all versions of CrushFTP prior to 10.7.1 and 11.1.0 on all platforms.
Can CVE-2024-4040 allow remote code execution?
No, CVE-2024-4040 primarily allows unauthorized file access and administrative access, but does not facilitate remote code execution.
Is CVE-2024-4040 actively being exploited?
Yes, CVE-2024-4040 is currently being exploited in the wild and requires immediate attention.