IBM Robotic Process Automation and Robotic Process Automation for Cloud Pak 21.0.0 through 21.0.7.20 and 23.0.0 through 23.0.20 does not invalidate session after a logout which could allow an authenticated user to impersonate another user on the system.
According to WASC, “Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.”