Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-3174

A vulnerability in the anycast gateway feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to learn invalid Address Resolution Protocol (ARP) entries. The ARP entries are for nonlocal IP addresses for the subnet. The vulnerability is due to improper validation of a received gratuitous ARP (GARP) request. An attacker could exploit this vulnerability by sending a malicious GARP packet on the local subnet to cause the ARP table on the device to become corrupted. A successful exploit could allow the attacker to populate the ARP table with incorrect entries, which could lead to traffic disruptions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.5%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 3.3
Products affected by CVE-2020-3174


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