Exposure of Sensitive Information to an Unauthorized Actor
Cisco Unified Wireless IP Phone 7921, when using Protected Extensible Authentication Protocol (PEAP), does not validate server certificates, which allows remote wireless access points to steal hashed passwords and conduct man-in-the-middle (MITM) attacks.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.