Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass (cisco-sa-ftd-sidns-bypass-3PzA5pO)

high Nessus Plugin ID 161661

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

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.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvz65181

Plugin Details

Severity: High

ID: 161661

File Name: cisco-sa-ftd-sidns-bypass-3PzA5pO-ftd.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 5/30/2022

Updated: 11/14/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2022-20730

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:firepower_threat_defense

Required KB Items: installed_sw/Cisco Firepower Threat Defense

Exploit Ease: No known exploits are available

Patch Publication Date: 4/27/2022

Vulnerability Publication Date: 4/27/2022

Reference Information

CVE: CVE-2022-20730

CWE: 241

CISCO-SA: cisco-sa-ftd-sidns-bypass-3PzA5pO

IAVA: 2022-A-0184-S

CISCO-BUG-ID: CSCvz65181

Detections

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