CVE-2015-0600: Cisco Unified IP Phones 9900 Series Firmware

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

The mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier allows remote attackers to cause a denial of service (logoff) via crafted packets, aka Bug ID CSCuq12139.

Affected products

• Cisco Unified IP Phones 9900 Series Firmware: up to and including 9.4\(.1\)

Published 2015-02-07. Last modified 2026-06-17.