Exposure of Sensitive Information to an Unauthorized Actor
The web server in Cisco Unified MeetingPlace 6.1 and 8.5 produces different responses for directory queries depending on whether the directory exists, which allows remote attackers to enumerate directory names via a series of queries, aka Bug ID CSCtt94070.
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.