CVE-2025-31161
CrushFTP Authentication Bypass Vulnerability
MITRE ATT&CK techniques
How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.
Summary
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.
Affected software
Vendor: CrushFTP · Product: CrushFTP
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in CrushFTP
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2024-4040 | CrushFTP VFS Sandbox Escape Vulnerability | 99.5% | Yes |
| CVE-2025-54309 | CrushFTP Unprotected Alternate Channel Vulnerability | 92.0% | Yes |
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