An embedded test key and certificate could be extracted from a Poly Voice device using specialized reverse engineering tools. This extracted certificate could be accepted by a SIP service provider if the service provider does not perform proper validation of the device certificate.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0