CVE-2008-1746: Cisco Unified Communications Manager

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

The SNMP Trap Agent service in Cisco Unified Communications Manager (CUCM) 4.1 before 4.1(3)SR6, 4.2 before 4.2(3)SR3, 4.3 before 4.3(2), 5.x before 5.1(3), and 6.x before 6.1(1) allows remote attackers to cause a denial of service (core dump and service restart) via a series of malformed UDP packets, as demonstrated by the IP Stack Integrity Checker (ISIC), aka Bug ID CSCsj24113.

Affected products

• Cisco Unified Communications Manager: version 4.1 only; version 4.2 only; version 4.3 only; version 5.1 only; version 6.0 only; version 6.1 only

Published 2008-05-16. Last modified 2026-06-16.