CVE-2022-20746

Summary

CVE	CVE-2022-20746
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2022-05-03 04:15:00 UTC
Updated	2023-11-07 03:42:00 UTC
Description	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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Cisco	Firepower Threat Defense	All	All	All	All
Application	Cisco	Firepower Threat Defense	7.1.0	All	All	All

References

Reference	Source	Link	Tags
20220427 Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability	CISCO	tools.cisco.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

317170 Cisco Firepower Threat Defense (FTD) Software Transmission Control Protocol (TCP) Proxy Denial of Service (DoS) Vulnerability (cisco-sa-ftd-tcp-dos-kM9SHhOu)