ClosedCriticalPatched

CrushFTP: CrushFTP Unprotected Alternate Channel Vulnerability

CrushFTP

CrushFTP contains an unprotected alternate channel vulnerability. When the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS. Added to CISA KEV on 2025-07-22.

Why this severity: CVSS 9.0 (CNA, v3.1); actively exploited (CISA KEV)

Started: Jul 22, 2025
Closed: Jul 22, 2025
CVE: CVE-2025-54309

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Updated Jul 22, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Jul 22, 2025
CISA added CVE-2025-54309 to the KEV catalog (due 2025-08-12).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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