Cisco Warns of Critical IMC Vulnerability Enabling Authentication Bypass

Cisco has published an urgent security advisory for CVE-2026-20093, a critical 9.8-severity authentication bypass vulnerability affecting its Integrated Management Controller (IMC) software. This high-risk flaw enables unauthenticated remote attackers to overwrite administrative passwords and gain full control over vulnerable Cisco servers and preconfigured network appliances. Critical Authentication Bypass Cisco has issued an urgent security alert […]

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