PT-2023-5688 · Ipswitch · Ws Ftp Server
Sean Yeoh
+1
·
Published
2023-09-27
·
Updated
2025-10-23
·
CVE-2023-40044
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
WS FTP Server versions prior to 8.7.4 and 8.8.2
Description
The issue is related to a .NET deserialization vulnerability in the Ad Hoc Transfer module of WS FTP Server. This vulnerability can be exploited by a pre-authenticated attacker to execute remote commands on the underlying WS FTP Server operating system. The vulnerability has been observed being actively exploited in the wild, and it is estimated that a significant number of devices may be affected.
Recommendations
For WS FTP Server versions prior to 8.7.4, update to version 8.7.4 or later.
For WS FTP Server versions prior to 8.8.2, update to version 8.8.2 or later.
As a temporary workaround, consider disabling the Ad Hoc Transfer module until a patch is available.
Exploit
Fix
Deserialization of Untrusted Data
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Weakness Enumeration
Related Identifiers
Affected Products
Ws Ftp Server