Cisco's Identity Services Engine (ISE) is an identity-based security management platform that collects information from networks and user devices, and enforces policies and regulatory decisions within network infrastructure. Recently, Cisco released a critical security vulnerability advisory (CVE-2025-20286, CVSS: 9.9). This vulnerability exists in AWS, Azure, and OCI cloud deployment platforms, allowing unauthenticated remote attackers to access sensitive data, perform limited administrative operations, modify system configurations, or disrupt services on affected systems.