CVE-2013-1103: Cisco 2000 Wireless Lan Controller

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.220.0, 7.1 before 7.1.91.0, and 7.2 before 7.2.103.0 allow remote attackers to cause a denial of service (Access Point reload) via crafted SIP packets, aka Bug ID CSCts87659.

Affected products

• Cisco 2000 Wireless Lan Controller
• Cisco 2100 Wireless Lan Controller
• Cisco 2500 Wireless Lan Controller
• Cisco 4100 Wireless Lan Controller
• Cisco 4400 Wireless Lan Controller
• Cisco 5500 Wireless Lan Controller
• Cisco 7500 Wireless Lan Controller
• Cisco 8500 Wireless Lan Controller
• Cisco Wireless Lan Controller Software: version 7.0 only; version 7.0.98.0 only; version 7.1 only; version 7.2 only; version 7.3 only

Published 2013-01-24. Last modified 2026-06-16.