CVE-2010-2837: Cisco Unified Communications Manager

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

The SIPStationInit implementation in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.1SU before 6.1(5)SU1, 7.0SU before 7.0(2a)SU3, 7.1SU before 7.1(3b)SU2, 7.1 before 7.1(5), and 8.0 before 8.0(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtd17310.

Affected products

• Cisco Unified Communications Manager: up to and including 6.1\(5\); version 6.1(1) only; version 6.1(1a) only; version 6.1(1b) only; version 6.1(2) only; version 6.1(2)su1 only; …

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