CVE-2010-2838: Cisco Unified Communications Manager

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The SendCombinedStatusInfo implementation in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.0SU before 7.0(2a)SU3, 7.1 before 7.1(5), and 8.0 before 8.0(3) allows remote attackers to cause a denial of service (process failure) via a malformed SIP REGISTER message, aka Bug ID CSCtf66305.

Affected products

• Cisco Unified Communications Manager: up to and including 7.0\(2a\)su2; version 7.0(1)su1 only; version 7.0(1)su1a only; version 7.0(2) only; version 7.0(2a) only; version 7.0(2a)su1 only; …

Published 2010-08-26. Last modified 2026-06-16.