CVE-2013-5555: Cisco Unified Communications Manager

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Cisco Unified Communications Manager (aka CUCM or Unified CM) allows remote attackers to cause a denial of service (service restart) via a crafted SIP message, aka Bug ID CSCub54349.

Affected products

• Cisco Unified Communications Manager: any version

Published 2013-11-01. Last modified 2026-06-16.