Pexip Infinity before 35.0 has improper input validation that allows remote attackers to trigger a denial of service (software abort) via a crafted signalling message.
Pexip Infinity before 34.1 has Improper Access Control for persons in a waiting room. They can see the conference roster list, and perform certain actions that should not be allowed before they are admitted to the meeting.
Pexip Infinity 27 before 28.0 allows remote attackers to trigger excessive resource consumption and termination because of registrar resource mishandling.
Pexip Infinity 27.x before 27.3 has Improper Input Validation. The client API allows remote attackers to trigger a software abort via a gateway call into Teams.