CVE-2013-1188: Cisco Unified Communications Manager

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

Cisco Unified Communications Manager (CUCM) does not properly limit the rate of authentication attempts, which allows remote attackers to cause a denial of service (application slowdown) via a series of requests, aka Bug ID CSCud39515.

Affected products

• Cisco Unified Communications Manager: any version

Published 2013-05-16. Last modified 2026-06-16.