Cisco Firepower Threat Defense Software Transparent Mode DoS (cisco-sa-asa-ftd-dos-JxYWMJyL)

high Nessus Plugin ID 161883

Language:

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco FTD Software is affected by a denial of service vulnerability. A denial of service (DoS) vulnerability exists in the TCP Normalizer. An unauthenticated, remote attacker can exploit this issue, via poisoning MAC address tables in adjacent devices and cause a network disruption.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvx46296

Plugin Details

Severity: High

ID: 161883

File Name: cisco-sa-asa-ftd-dos-JxYWMJyL-ftd.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 6/6/2022

Updated: 3/31/2023

Configuration: Enable paranoid mode

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:N/A:P

CVSS Score Source: CVE-2021-34793

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/a:cisco:firepower_threat_defense

Required KB Items: Settings/ParanoidReport, installed_sw/Cisco Firepower Threat Defense

Exploit Ease: No known exploits are available

Patch Publication Date: 10/27/2021

Vulnerability Publication Date: 10/27/2021

Reference Information

CVE: CVE-2021-34793

CWE: 924

CISCO-SA: cisco-sa-asa-ftd-dos-JxYWMJyL

IAVA: 2021-A-0526-S

CISCO-BUG-ID: CSCvx46296

Detections

Analytics