Vulnerability intelligence
CVE-2024-4040
CrushFTP VFS Sandbox Escape Vulnerability
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 Score
9.8
Critical
EPSS — Exploit Probability
100%
Riskier than 100% of all CVEs · checked 2026-09-06
Exploitation
Confirmed in the wild
KEV since 2024-04-24
Remediation
Unconfirmed
Federal deadline 2024-05-01
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Deadline for federal agencies: 2024-05-01.
1 article across 1 outlet · first covered Mar 3, 2026 · latest Mar 3, 2026
Coverage timeline
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CrushFTP Brute Force Attacks Target Admin Logins from French IPisc.sans.edu · Mar 3, 2026