CVE-2023-42033: Visualware Myconnection Server

High severity, CVSS 7.2. EPSS: 3.3% chance of exploitation in the next 30 days.

Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Visualware MyConnection Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the doPostUploadfiles method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21612.

Affected products

• Visualware Myconnection Server: version 11.3c only

Published 2024-05-03. Last modified 2026-06-17.