CVE-2025-54309
Last modified
CVE-2025-54309 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 92.03% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Crushftp | Crushftp | >= 10.0.0, < 10.8.5 |
| Crushftp | Crushftp | >= 11.0.0, < 11.3.4_23 |
References
- https://www.rapid7.com/blog/post/crushftp-zero-day-exploited-in-the-wild/Press/Media Coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54309US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-54309?
How severe is CVE-2025-54309?
How do I fix CVE-2025-54309?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-54301A stored XSS vulnerability in Quantum Manager component 1.0.…8.5
- CVE-2025-54303The Thermo Fisher Torrent Suite Django application 5.18.1 ha…9.8
- CVE-2025-54304An issue was discovered on Thermo Fisher Ion Torrent OneTouc…9.8
- CVE-2025-54305An issue was discovered in the Thermo Fisher Torrent Suite D…7.8
- CVE-2025-54306An issue was discovered in the Thermo Fisher Torrent Suite D…7.2
- CVE-2025-54307An issue was discovered in the Thermo Fisher Torrent Suite D…8.8
- CVE-2025-5431A vulnerability, which was classified as critical, was found…8.8
- CVE-2025-54310qBittorrent before 5.1.2 does not prevent access to a local …5.3
- CVE-2025-54313eslint-config-prettier 8.10.1, 9.1.1, 10.1.6, and 10.1.7 has…7.5
- CVE-2025-54314Thor before 1.4.0 can construct an unsafe shell command from…2.8
- CVE-2025-54315The Matrix specification before 1.16 (i.e., with a room vers…7.1
- CVE-2025-54316An issue was discovered in Logpoint before 7.6.0. When creat…4.9
Are you affected by CVE-2025-54309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST