Detections
Analytics

Cisco IoT Field Network Director DoS (cisco-sa-iot-coap-dos-WTBu6YTq)

high Nessus Plugin ID 152131

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

A denial of service (DoS) vulnerability exists in Cisco IoT Field Network Director due to incorrect handling of certain valid, but not typical, Ethernet frames. An unauthenticated, remote attacker can exploit this issue by sending the Ethernet frames onto the Ethernet segment, to cause the device to stop reload.

Note that Nessus has not tested for this issue 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 CSCvs44179

See Also

http://www.nessus.org/u?9c4f2378

Plugin Details

Severity: High

ID: 152131

File Name: cisco-sa-iot-coap-dos-WTBu6YTq.nasl

Version: 1.4

Type: remote

Family: CISCO

Published: 7/28/2021

Updated: 7/30/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2020-3162

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:N/A:H

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

Vulnerability Information

CPE: cpe:/a:cisco:iot_field_network_director

Required KB Items: installed_sw/IoT Field Network Director

Exploit Ease: No known exploits are available

Patch Publication Date: 4/15/2020

Vulnerability Publication Date: 4/15/2020

Reference Information

CVE: CVE-2020-3162

CWE: 20

CISCO-SA: cisco-sa-iot-coap-dos-WTBu6YTq

CISCO-BUG-ID: CSCvs44179