CVE-2009-2874: Cisco Unified Presence Server

High severity, CVSS 7.8. EPSS: 3.8% chance of exploitation in the next 30 days.

The TimesTenD process in Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4) allows remote attackers to cause a denial of service (process crash) via a large number of TCP connections to ports 16200 and 22794, aka Bug ID CSCsy17662.

Affected products

• Cisco Unified Presence Server: version 1.0 only; version 1.0(1) only; version 1.0(2) only; version 1.0(3) only; version 6.0 only; version 6.0(2) only; …

Published 2009-10-16. Last modified 2026-06-16.