Cisco Cucm Hacking -- Github Direct

GitHub’s Advisory Database tracks several critical vulnerabilities impacting CUCM environments, often including Proof-of-Concept (PoC) references.

Improper processing of user-provided data can allow unauthenticated attackers to execute arbitrary code with web services user privileges. Cisco CUCM hacking -- GitHub

A critical vulnerability where unauthenticated, remote attackers can log in to affected devices using default, static root credentials that cannot be changed or deleted. Cisco CUCM hacking -- GitHub