Polycom SoundStation IP, VVX, and RealPresence Trio that are running software older than UCS 4.0.12, 5.4.5 rev AG, 5.4.7, 5.5.2, or 5.6.0 are affected by a vulnerability in their UCS web application. This vulnerability could allow an authenticated remote attacker to read a segment of the phone's memory which could contain an administrator's password or other sensitive information.

Poly VVX 400/410 5.3.1 allows low-privileged users to change the Admin password by modifying a POST parameter to 120 during the password reset process.

A vulnerability in the web-based management interface of VVX, Trio, SoundStructure, SoundPoint, and SoundStation phones running Polycom UC Software, if exploited, could allow an authenticated, remote attacker with admin privileges to cause a denial of service (DoS) condition or execute arbitrary code.

Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business.

The SIP service in Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allow remote attackers to obtain sensitive phone configuration information by leveraging use with an on-premise installation with Skype for Business.