CVE-2011-2577: Cisco Telepresence 6000 Mxp

High severity, CVSS 7.8. EPSS: 12.7% chance of exploitation in the next 30 days.

Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.

Affected products

• Cisco Telepresence 6000 Mxp
• Cisco Telepresence 9000 Mxp
• Cisco Telepresence C Series Software: up to and including tc3.1.4; version tc3.0.0 only; version tc3.1.0 only; version tc3.1.1 only; version tc3.1.2 only; version tc3.1.3 only
• Cisco Telepresence Codec c40
• Cisco Telepresence Codec c60
• Cisco Telepresence Codec c90
• Cisco Telepresence e20
• Cisco Telepresence e20 Software: version te2.2.1 only
• Cisco Telepresence EX60
• Cisco Telepresence EX90
• Cisco Telepresence Mxp Software: version f8.2 only; version f9.0 only; version f9.0.1 only; version f9.0.2 only

Published 2011-08-31. Last modified 2026-06-16.