{"id":"CVE-2025-54309","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-54309","generatedAt":"2026-10-31T06:58:52.050Z","title":" CrushFTP Unprotected Alternate Channel Vulnerability","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.","published":"2025-07-18T19:15:25.000Z","lastModified":"2026-06-17T09:39:50.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-420"],"affected":["crushftp/crushftp"],"epss":{"score":0.93473,"percentile":0.99839,"date":"2026-10-30","history":[{"date":"2026-10-19","score":0.93473,"percentile":0.99841}]},"kev":{"listed":true,"dateAdded":"2025-07-22","dueDate":"2025-08-12","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025 ; https://nvd.nist.gov/vuln/detail/CVE-2025-54309 "},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 12 August 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://www.bleepingcomputer.com/news/security/crushftp-zero-day-exploited-in-attacks-to-gain-admin-access-on-servers/","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.rapid7.com/blog/post/crushftp-zero-day-exploited-in-the-wild/","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-54309-detect-crushftp-vulnerability","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-54309-mitigate-crushftp-vulnerability","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54309","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-54309","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}