CVE-2011-2543: Cisco Telepresence C Series Software

High severity, CVSS 9.0. EPSS: 11.5% chance of exploitation in the next 30 days.

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.

Affected products

• Cisco Telepresence C Series Software: version tc4.0.0 only; version tc4.0.1 only; version tc4.0.4 only; version tc4.1.0 only; version tc4.1.1 only; version tc4.1.2 only
• Cisco Telepresence Codec c40
• Cisco Telepresence Codec c60
• Cisco Telepresence Codec c90

Published 2011-09-23. Last modified 2026-06-16.