Mitel MiCloud Management Portal before 6.1 SP5 could allow an attacker, by sending a crafted request, to view system information due to insufficient output sanitization.

Mitel MiCloud Management Portal before 6.1 SP5 could allow an unauthenticated attacker to execute arbitrary scripts due to insufficient input validation, aka XSS. A successful exploit could allow an attacker to gain access to a user session.

Mitel MiCloud Management Portal before 6.1 SP5 could allow a remote attacker to conduct a SQL Injection attack and access user credentials due to improper input validation.

Mitel MiCloud Management Portal before 6.1 SP5 could allow an attacker, by sending a crafted request, to retrieve sensitive information due to insufficient access control.

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.