CVE-2021-38457

CWE-284: IMPROPER ACCESS CONTROL
The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.
Successful exploitation of these vulnerabilities could allow an attacker to achieve remote code execution, and acquire complete remote control over the machine.
Read: “Claroty, Auvesy Coordinate Disclosure on Versiondog Vulnerabilities”