Detections
Analytics

Rockwell Automation/Allen-Bradley MicroLogix 1400 Series B FRN < 21.2 Denial of Service

high Nessus Network Monitor Plugin ID 720099

Synopsis

An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 controller.

Description

An exploitable denial of service vulnerability exists in the program download functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a device fault resulting in halted operations. An attacker can send an unauthenticated packet to trigger this vulnerability.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://ics-cert.us-cert.gov/advisories/ICSA-18-095-01,https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0441

Plugin Details

Severity: High

ID: 720099

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

Patch Publication Date: 4/5/2018

Vulnerability Publication Date: 4/5/2018

Reference Information

CVE: CVE-2017-12089