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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2023-40044

8.8

CVSScritical

Exploitable remotely over the internet · no authentication required.

Description

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

ws_ftp server

Updated Sep 28, 2026View on NVD →

S4E scanner

criticalProduct Based Web Vulnerabilities~10 seconds

CVE-2023-40044 Scanner

CVE-2023-40044 Scanner - Deserialization of Untrusted Data vulnerability in WS_FTP Server

Used 3.3k times · 4.2k assets checked · url

Scanner page →Run scanner

CVE history: ws_ftp server

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