Cisco Security Advisories Key Information _total advisories visible - 20 Impact Levels - Critical: 4 - High: 7 - Medium: 9 Most Recent Advisory - Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software VPN Web Server Remote Code Execution Vulnerability - Critical Impact - Last Updated: 2025 Nov 05 - CVE: CVE-2025-20333 Most Critical Advisories - Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software VPN Web Server Remote Code Execution Vulnerability (CVE-2025-20333) - Cisco Unified Contact Center Express Remote Code Execution Vulnerabilities (CVE-2025-20354, CVE-2025-20358) - Cisco Secure Firewall Adaptive Security Appliance Software, Secure Firewall Threat Defense Software, IOS Software, IOS XR Software Web Services Remote Code Execution Vulnerability (CVE-2025-20363)