CVE-2012-3919: Cisco Application Control Engine Module

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

The Cisco Application Control Engine (ACE) module 3.0 for Cisco Catalyst switches and Cisco routers does not properly monitor Load Balancer (LB) queues, which allows remote attackers to cause a denial of service (incorrect memory access and module reboot) via application traffic, aka Bug ID CSCtw70879.

Affected products

• Cisco Application Control Engine Module: version 3.0 only

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