Skip to content
fr Sign in
7.5 High

CVE-2020-3574 A vulnerability in the TCP packet processing functionality of Cisco IP Phones could allow an unauthenticated, remote…

Description

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 limiting. An attacker could exploit this vulnerability by sending a high and sustained rate of crafted TCP traffic to the targeted device. A successful exploit could allow the attacker to impact operations of the phone or cause the phone to reload, leading to a denial of service (DoS) condition.

Affected products and versions

Product Affected versions Fixed in
Cisco IP Phones with Multiplatform Firmware Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco IP Phones with Multiplatform Firmware

The 13 CVEs of Cisco IP Phones with Multiplatform Firmware →
CVE-2021-1379 Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations… 6.5 Medium CVE-2024-20534 A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco… 4.8 Medium CVE-2024-20533 A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco… 4.8 Medium CVE-2024-20376 A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated,… 7.5 High
Track this CVE