April 7, 2025 · Applied Cybernetics Group
CVE-2025-31161 — CrushFTP CrushFTP
known ransomware use
CrushFTP Authentication Bypass Vulnerability
- Added to KEV
2025-04-07- Federal due date
2025-04-28- Vendor
- CrushFTP
- Product
- CrushFTP
- EPSS
- 100.0th percentile (score 0.999, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059 , T1078 , T1136 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-31161
CISA short description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.