CVE-2011-4015: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 1.2% chance of exploitation in the next 30 days.

Cisco IOS 15.2S allows remote attackers to cause a denial of service (interface queue wedge) via malformed UDP traffic on port 465, aka Bug ID CSCts48300.

Affected products

• Cisco IOS: version 15.2s only

Published 2012-05-02. Last modified 2026-06-16.