CVE-2012-3063: Cisco Application Control Engine (ACE) before A4(2.3) and A5 before A5(1.1), when multicontext mode is enab...

Security readout for executives and security teams

CVE-2012-3063 affects Cisco Application Control Engine appliances in multicontext mode. An authenticated administrator could bypass intended context restrictions and read or change configuration settings. This is not an internet-wide unauthenticated issue, but it can undermine separation between administrative domains on affected ACE deployments. Exposure is limited to Cisco ACE deployments running affected A4 or A5 software with multicontext mode enabled. Organizations using ACE for segmented administrative contexts or shared management IP designs have the most relevant exposure. Prioritize remediation where ACE separates tenants, business units, or regulated environments. The main business risk is unauthorized configuration visibility or change by an already-authenticated administrator, which can weaken segmentation and operational control. Mitigation focus: Upgrade Cisco ACE to A4(2.3), A5(1.1), or later fixed software.; Review the Cisco advisory for exact fixed releases and deployment-specific guidance.; Restrict ACE administrative access to trusted management networks and named administrators..

Prepared

Jun 24, 2026, 12:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.