CVE-2007-3775: Cisco Unified Communications Manager

High severity, CVSS 7.8. EPSS: 2% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco Unified Communications Manager (CUCM, formerly CallManager) and Unified Presence Server (CUPS) allows remote attackers to cause a denial of service (loss of cluster services) via unspecified vectors, aka (1) CSCsj09859 and (2) CSCsj19985.

Affected products

• Cisco Unified Communications Manager: version 5.0 only; version 5.1(1) only; version 5.1(2) only
• Cisco Unified Presence Server: version 1.0 only; version 1.0(1) only; version 1.0(2) only; version 1.0(3) only

Published 2007-07-15. Last modified 2026-06-16.