The WebSocket Application Programming Interface lacks restrictions on
the number of authentication requests. This absence of rate limiting may
allow an attacker to conduct denial-of-service attacks by suppressing
or mis-routing legitimate charger telemetry, or conduct brute-force
attacks to gain unauthorized access.
EV Energy did not respond to CISA's request for coordination. Contact EV
Energy using their contact page here: https://www.ev.energy/en-us for
more information.