// For flags

CVE-2025-54309

CrushFTP Unprotected Alternate Channel Vulnerability

Severity Score

9.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

Act
*SSVC
Descriptions

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.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Act
Exploitation
Active
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-07-18 CVE Reserved
  • 2025-07-18 CVE Published
  • 2025-07-22 Exploited in Wild
  • 2025-07-30 CVE Updated
  • 2025-08-12 KEV Due Date
  • 2025-08-19 EPSS Updated
  • ---------- First Exploit
CWE
  • CWE-420: Unprotected Alternate Channel
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
CrushFTP
Search vendor "CrushFTP"
 CrushFTP
Search vendor "CrushFTP" for product "CrushFTP"
 >= 10.0.0 < 10.8.5
Search vendor "CrushFTP" for product "CrushFTP" and version " >= 10.0.0 < 10.8.5"
en
Affected