Cisco IP Phones TCP Packet Flood Denial of Service (CVE-2020-3574)

A vulnerability in the TCP packet processing functionality of Cisco IP Phones could allow an unauthenticated, remote attacker to cause the phone to stop responding to incoming calls, drop connected calls, or unexpectedly reload. The vulnerability is due to insufficient TCP ingress packet rate...

CVE-2020-3574

CVE-2020-3574 affects Cisco IP Phones, where the TCP packet processing path is vulnerable due to insufficient TCP ingress packet rate limiting. An unauthenticated remote attacker can send a high, sustained rate of crafted TCP traffic to disrupt operations, causing calls to stop, drop, or the devi...