ClosedCriticalPatched

CrushFTP: Authentication Bypass Vulnerability

CrushFTP

CrushFTP contains an authentication bypass vulnerability in the HTTP authorization header that allows a remote unauthenticated attacker to authenticate to any known or guessable user account (e.g., crushadmin), potentially leading to a full compromise. Added to CISA KEV on 2025-04-07.

Why this severity: CVSS 9.8 (CNA, v3.1); actively exploited (CISA KEV); known ransomware use

Started: Apr 7, 2025
Closed: Apr 7, 2025
CVE: CVE-2025-31161

Follow this incident

Updated Apr 7, 2025

Affected

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

Fixed in

See vendor advisory linked in sources

Timeline1

Apr 7, 2025
CISA added CVE-2025-31161 to the KEV catalog (due 2025-04-28).

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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