CVE-2009-5040: Cisco IOS

Medium severity, CVSS 6.8. EPSS: 2% chance of exploitation in the next 30 days.

CallManager Express (CME) on Cisco IOS before 15.0(1)XA allows remote authenticated users to cause a denial of service (device crash) by using an extension mobility (EM) phone to interact with the menu for SNR number changes, aka Bug ID CSCta63555.

Affected products

• Cisco IOS: up to and including 15.0xa; version 4.1 only; version 4.1.1 only; version 4.1.2 only; version 7.2(2)22 only; version 8.2 only; …

Published 2011-01-07. Last modified 2026-06-16.