CVE-2015-0612: Cisco Unity Connection

High severity, CVSS 7.1. EPSS: 1.7% chance of exploitation in the next 30 days.

The Connection Conversation Manager (aka CuCsMgr) process in Cisco Unity Connection 8.5 before 8.5(1)SU6, 8.6 before 8.6(2a)SU4, and 9.x before 9.1(2)SU2, when SIP trunk integration is enabled, allows remote attackers to cause a denial of service (SIP outage) via a crafted UDP packet, aka Bug ID CSCuh25062.

Affected products

• Cisco Unity Connection: version 8.5(1) only; version 8.5(1)su1 only; version 8.5(1)su2 only; version 8.5(1)su3 only; version 8.5(1)su4 only; version 8.5(1)su5 only; …
• Cisco Unity Connection 8.5: version base only
• Cisco Unity Connection 8.6: version base only

Published 2015-04-03. Last modified 2026-06-17.