CVE-2013-1137: Cisco Unified Presence Server

High severity, CVSS 7.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Cisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote attackers to cause a denial of service (CPU consumption) via crafted packets to the SIP TCP port, aka Bug ID CSCua89930.

Affected products

• Cisco Unified Presence Server: version 8.6 only; version 9.0 only; version 9.1 only

Published 2013-02-27. Last modified 2026-06-16.