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VULNERABILITIES

CVE-2022-20746 Details

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-kM9SHhOu CVEVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-kM9SHhOu [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
cisco secure firewall threat defense
< 6.4.0.15
>= 6.5.0, < 6.6.5.2
>= 7.0.0, < 7.0.2
7.1.0

CPE

  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:secure_firewall_threat_defense:7.1.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-20746
NVD Published Date:
May 3, 2022
NVD Last Modified:
Aug 11, 2026
Source:
[email protected]
CVE-2022-20746 Details - Not Deferred