Vulnerability Intelligence Report
CrushFTP Unprotected Alternate Channel Vulnerability
CVE-2025-54309
CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
CVSS Base Score
9.0
CRITICAL
Exploitability:2.3
Impact Score:6.1
EPSS Probability:92.03%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-420 ↗CWE-420 Unprotected Alternate Channel
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| CrushFTP | CrushFTP | 10 < 10.8.5 (affected), 11 < 11.3.4_23 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
92.034%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2025-07-18T00:00:00 |
| Published | 2025-07-18T00:00:00 |
| Last Updated | 2025-10-21T22:45:21 |
Community Chatter & Buzz