Polycom ViewStation before 7.2.4 has a default null password for the administrator account, which allows arbitrary users to conduct unauthorized activities.

The Web server for Polycom ViewStation before 7.2.4 allows remote attackers to bypass authentication and read files via Unicode encoded requests.

The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.

The Telnet service for Polycom ViewStation before 7.2.4 allows remote attackers to cause a denial of service (crash) via multiple connections to the server.

The Telnet service for Polycom ViewStation before 7.2.4 allows remote attackers to cause a denial of service (crash) via long or malformed ICMP packets.