9.8

CVE-2025-54309

Warning
Media report

CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.

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Data is provided by the National Vulnerability Database (NVD)
Crushftp ≫ Crushftp Version >= 10.0.0 < 10.8.5
Crushftp ≫ Crushftp Version >= 11.0.0 < 11.3.4_23

22.07.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

CrushFTP Unprotected Alternate Channel Vulnerability

Vulnerability

CrushFTP contains an unprotected alternate channel vulnerability. When the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 50.66% 0.978
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cve@mitre.org 9 2.2 6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-420 Unprotected Alternate Channel

The product protects a primary channel, but it does not use the same level of protection for an alternate channel.