NetSight
high8.6

CVE-2022-20746

A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a de…

Impact

A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected products

VendorProductAffected versions
CiscoSecure Firewall Threat Defense
before 6.4.0.15
from 6.5.0 before 6.6.5.2
from 7.0.0 before 7.0.2
Version 7.1.0

Weakness classification

References