Is CVE-2025-54309 actively exploited?

CVE-2025-54309 has no public evidence of in-the-wild exploitation as of 2025-11-05.

What is the CVSS score for CVE-2025-54309?

CVE-2025-54309 has a CVSS score of 9 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2025-54309?

Patch guidance is available from crushftp security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-54309.

Which products are affected by CVE-2025-54309?

2 products: crushftp crushftp, crushftp crushftp.

Fix CVE-2025-54309 - CRITICAL crushftp crushftp

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-420

Metadata

Primary Vendor: CRUSHFTP
Published: 7/18/2025
Last Modified: 11/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-54309

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary