The Secure Meeting (Pulse Collaboration) in Pulse Connect Secure (formerly Juniper Junos Pulse) before 7.1R22.1, 7.4, 8.0 before 8.0R11, and 8.1 before 8.1R3 provides different messages for attempts to join a meeting depending on the status of the meeting, which allows remote attackers to enumerate valid meeting ids via a series of requests.

The Secure Meeting (Pulse Collaboration) in Pulse Connect Secure (formerly Juniper Junos Pulse) before 7.1R22.1, 7.4, 8.0 before 8.0R11, and 8.1 before 8.1R3 provides different messages for attempts to join a meeting depending on the status of the meeting, which allows remote attackers to enumerate valid meeting ids via a series of requests.