CVE-2022-20653 Archives

Cisco patches High risk Email Security Appliance DNS Verification DoS vulnerability

Network Security, Vulnerabilities & Exploits / Frank Crast / February 25, 2022 / Cisco, CVE-2021-1586, CVE-2022-20623, CVE-2022-20624, CVE-2022-20650, CVE-2022-20653, DANE, DNS, DOS, ESA, Nexus, NX-OS

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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