ACTIVELY EXPLOITED
CVE-2025-31161: CrushFTP Authentication Bypass Vulnerability
| Vendor | CrushFTP |
|---|---|
| Product | CrushFTP |
| Actively exploited | Yes |
| Added to CISA KEV | 7 Apr 2025 |
| CISA federal deadline | 28 Apr 2025 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-305 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
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.
SOURCES
Other CrushFTP flaws
- CVE-2025-54309: CrushFTP Unprotected Alternate Channel Vulnerability
- CVE-2024-4040: CrushFTP VFS Sandbox Escape Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.