Home / Vulnerabilities / CVE-2025-54309
CRITICAL SEVERITY
CVE-2025-54309 CrushFTP · CrushFTP

CrushFTP Unprotected Alternate Channel Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

72.18 %
Predictive Probability
Percentile Rank
98.7 th

Documented as more likely to be exploited than 98.7% of known CVEs.

Detection Date

Jul 22, 2025

Remediation Due

Aug 12, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence