{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "CrushFTP", "vendor": "CrushFTP", "versions": [{"lessThan": "10.8.5", "status": "affected", "version": "10", "versionType": "custom"}, {"lessThan": "11.3.4_23", "status": "affected", "version": "11", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cisaActionDue": "2025-08-12", "cisaExploitAdd": "2025-07-22", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": " CrushFTP Unprotected Alternate Channel Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*", "matchCriteriaId": "A4950EA3-D20F-48B4-BE81-8018EFB452D8", "versionEndExcluding": "10.8.5", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDC2BCC0-AEA5-4A35-BCAD-6287574D4ED5", "versionEndExcluding": "11.3.4_23", "versionStartIncluding": "11.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "CrushFTP 10 anterior a 10.8.5 y 11 anterior a 11.3.4_23, cuando no se utiliza la funci\u00f3n de proxy DMZ, maneja incorrectamente la validaci\u00f3n AS2 y, en consecuencia, permite a atacantes remotos obtener acceso de administrador a trav\u00e9s de HTTPS, como se explot\u00f3 en la naturaleza en julio de 2025."}], "id": "CVE-2025-54309", "lastModified": "2026-06-17T09:39:49.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-54309", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-08-15T18:50:07.009232Z", "version": "2.0.3"}}]}, "published": "2025-07-18T19:15:25.353", "references": [{"source": "cve@mitre.org", "tags": ["Press/Media Coverage"], "url": "https://www.bleepingcomputer.com/news/security/crushftp-zero-day-exploited-in-attacks-to-gain-admin-access-on-servers/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025"}, {"source": "cve@mitre.org", "tags": ["Press/Media Coverage"], "url": "https://www.rapid7.com/blog/post/crushftp-zero-day-exploited-in-the-wild/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.vicarius.io/vsociety/posts/cve-2025-54309-detect-crushftp-vulnerability"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.vicarius.io/vsociety/posts/cve-2025-54309-mitigate-crushftp-vulnerability"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54309"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-420"}], "source": "cve@mitre.org", "type": "Secondary"}]}