CVE-2012-4622: Cisco IOS XE

High severity, CVSS 7.1. EPSS: 1.5% chance of exploitation in the next 30 days.

Cisco IOS XE 03.02.00.XO.15.0(2)XO on Catalyst 4500E series switches, when a Supervisor Engine 7L-E card is installed, allows remote attackers to cause a denial of service (card reload) via malformed packets that trigger uncorrected ECC error messages, aka Bug ID CSCty88456.

Affected products

• Cisco IOS XE: version 3.2.00.xo.15.0(2)xo only

Published 2012-09-27. Last modified 2026-06-16.