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Cisco patches High risk Email Security Appliance DNS Verification DoS vulnerability

Cisco has released a High risk security advisory for an Email Security Appliance DNS Verification Denial of Service (DoS) vulnerability, as well as several other vulnerabilities in Nexus switches and NX-OS software.

Cisco patches Critical ‘Default SSH Key’ vulnerability, 40 other bugs

Cisco released security updates to patch a critical “SSH Key” vulnerability in Cisco Nexus 9000 series software as well as 22 High and 18 Medium severity bugs in multiple products, such as Cisco’s Web Security Appliance, Umbrella, Adaptive Security Appliance, Firepower, Small Business routers and others.