Channel Accessible by Non-Endpoint
A Channel Accessible by Non-Endpoint vulnerability in the Schweitzer Engineering Laboratories SEL Real-Time Automation Controller (RTAC) could allow a remote attacker to perform a man-in-the-middle (MiTM) that could result in denial of service.

See the ACSELERATOR RTAC SEL-5033 Software instruction manual date code 20210915 for more details.