ACTIVELY EXPLOITED
CVE-2025-54309: CrushFTP Unprotected Alternate Channel Vulnerability
| Vendor | CrushFTP |
|---|---|
| Product | CrushFTP |
| Actively exploited | Yes |
| Added to CISA KEV | 22 Jul 2025 |
| CISA federal deadline | 12 Aug 2025 |
| Weakness (CWE) | CWE-420 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
CrushFTP contains an unprotected alternate channel vulnerability. When the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS.
SOURCES
Other CrushFTP flaws
- CVE-2025-31161: CrushFTP Authentication Bypass Vulnerability
- CVE-2024-4040: CrushFTP VFS Sandbox Escape Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.