CVE-2025-54309
CVSS v3
9
CRITICAL
EPSS Score
77.8 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
active
SSVC status
Description
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 Known Exploited Vulnerability
- Date Added
- 2025-07-22
- Patch Due Date
- 2025-08-12
- Ransomware Use
- Unknown
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2025-07-18
- Last Modified
- 2025-11-05
Frequently asked questions
What is 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.
Is CVE-2025-54309 actively exploited?
Yes. CVE-2025-54309 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-08-12.
What is the CVSS score for CVE-2025-54309?
CVE-2025-54309 has a CVSS v3 base score of 9 (CRITICAL severity), with vector string 3.1.
Is CVE-2025-54309 affecting your environment?
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