CVE-2025-54309
9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CrushFTP | CrushFTP | 10 < 10.8.5 | affected |
| CrushFTP | CrushFTP | 11 < 11.3.4_23 | affected |
Weaknesses
- CWE-420: CWE-420 Unprotected Alternate Channel
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: active
- Automatable: no
- Technical Impact: total
Additional References
References
- https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025
- https://www.rapid7.com/blog/post/crushftp-zero-day-exploited-in-the-wild/
- https://www.bleepingcomputer.com/news/security/crushftp-zero-day-exploited-in-attacks-to-gain-admin-access-on-servers/
- https://www.vicarius.io/vsociety/posts/cve-2025-54309-detect-crushftp-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-54309-mitigate-crushftp-vulnerability
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