CVE-2025-31161 · netVigilance record NV25-0076
CrushFTP Authentication Bypass
past due ransomware
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-04-28 · passed 1 year 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
CrushFTP CrushFTP. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-305.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 4 months ago
Sources
- NVD entry for CVE-2025-31161 nvd.nist.gov/vuln/detail/CVE-2025-31161
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- crushftp.com www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-31161