Cisco PSIRT

Cisco disclosed CVE-2026-20212, a critical vulnerability with a CVSS score of 9.8 affecting Nexus 9000 switches with Silicon One ASICs, allowing unauthenticated root remote code execution via TCP port…

Cisco announced Live Protect, a runtime security system for Nexus switches that deploys kernel-level shields against CVEs without reboots or maintenance windows, and a twice-monthly advisory schedule …