CVE CVE-2020-3510 Mappings

A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient error handling when parsing DNS requests. An attacker could exploit this vulnerability by sending a series of malicious DNS requests to an Umbrella Connector client interface of an affected device. A successful exploit could allow the attacker to cause a crash of the iosd process, which triggers a reload of the affected device.


Capability ID Capability Description Mapping Type ATT&CK ID ATT&CK Name
CVE-2020-3510 Cisco IOS XE Software primary_impact T1499.004 Application or System Exploitation
CVE-2020-3510 Cisco IOS XE Software exploitation_technique T1190 Exploit Public-Facing Application