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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.

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Cisco patches vulnerabilities in multiple products (one Critical CVE-2020-3158)

Cisco has released security updates for multiple products to include IOS, Email Security Appliance, Data Center Network Manager and other products. One of the updates also addresses a critical vulnerability in Cisco’s Smart Software Manager On-Prem.

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