(Pwn2Own) Phoenix Contact CHARX SEC-3100 OCPP Protocol Missing Encryption Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Phoenix Contact CHARX SEC-3100 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the OCPP protocol. The issue results from a lack of encryption. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.