CVE-2008-0527: Cisco Session Initiation Protocol (sip) Firmware

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

The HTTP server in Cisco Unified IP Phone 7935 and 7936 running SCCP firmware allows remote attackers to cause a denial of service (reboot) via a crafted HTTP request.

Affected products

• Cisco Session Initiation Protocol (sip) Firmware: any version
• Cisco Skinny Client Control Protocol (sccp) Firmware: any version

Published 2008-02-15. Last modified 2026-06-16.