CVE-2025-31161
CrushFTP Authentication Bypass Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 100.0% 백분위 100.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2025.04.28
- 공개일
- 2025.04.04
CISA KEV에 등록된 실제 악용 확인 취약점
CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy instance is used), as exploited in the wild in March and April 2025, aka "Unauthenticated HTTP(S) port access." A race condition exists in the AWS4-HMAC (compatible with S3) authorization method of the HTTP component of the FTP server. The server first verifies the existence of the user by performing a call to login_user_pass() with no password requirement. This will authenticate the session through the HMAC verification process and up until the server check...
공급사 CrushFTP
제품 CrushFTP
영향 버전 10, 11, >= 10.0.0 < 10.8.4, >= 11.0.0 < 11.3.1
수정 버전 10.8.4, 11.3.1
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2025.04.28CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-305
KEV 등록일 2025.04.07
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update ; https://nvd.nist.gov/vuln/detail/CVE-2025-31161
EPSS 데이터 기준일 2026.06.27