CVE-2025-54309
CrushFTP Unprotected Alternate Channel Vulnerability
CVSS
—
No CVSS
EPSS
94.7%
p100
KEV
YES
Jul 22, 2025
Exploit Today
80
0-100
Published: — · Last modified: —
Product
CrushFTP / CrushFTP
Vulnerability
CrushFTP Unprotected Alternate Channel Vulnerability
Added to KEV
Jul 22, 2025
Remediate by
Aug 12, 2025
Known ransomware use
No
Summary description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025 ; https://nvd.nist.gov/vuln/detail/CVE-2025-54309