CVE-2025-54309
CRITICAL Actively ExploitedCVSS v3
9
CRITICAL
EPSS Score
77.8%
exploit probability
CISA KEV
No
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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 7/18/2025
- Last Modified
- 11/5/2025
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 has been observed in active exploitation according to SSVC analysis.
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?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.