CVE-2022-20730 MEDIUM

CVE-2022-20730: Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerability

Vendor Cisco
Product Cisco Firepower Threat Defense Software
Weakness CWE-241
Published May 3, 2022
Last update November 6, 2024

CVSS base score

4.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

What the vulnerability does

01Description

A vulnerability in the Security Intelligence feed feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the Security Intelligence DNS feed. This vulnerability is due to incorrect feed update processing. An attacker could exploit this vulnerability by sending traffic through an affected device that should be blocked by the affected device. A successful exploit could allow the attacker to bypass device controls and successfully send traffic to devices that are expected to be protected by the affected device.

Key dates

02Disclosure timeline

May 3, 2022 CVE published
November 6, 2024 Record updated