CVE-2013-3377: Cisco IP Video Phone e20

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco TelePresence TC Software before 5.1.7 and TE Software before 4.1.3 allow remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCue01743.

Affected products

• Cisco IP Video Phone e20
• Cisco Telepresence Codec c40
• Cisco Telepresence Codec c60
• Cisco Telepresence Codec c90
• Cisco Telepresence EX60
• Cisco Telepresence EX90
• Cisco Telepresence MX200
• Cisco Telepresence MX300
• Cisco Telepresence Profile 55
• Cisco Telepresence Profile 65
• Cisco Telepresence Quick Set c20
• Cisco Telepresence Quick Set SX20
• Cisco Telepresence Tc Software: up to and including 5.1.6; version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.1.0 only; version 5.1.1 only; …
• Cisco Telepresence Te Software: up to and including 4.1.2; version 4.1.0 only; version 4.1.1 only

Published 2013-06-21. Last modified 2026-06-16.