Rockwellautomation Micrologix Unspecified Vulnerability

high Tenable.ot Plugin ID 500443
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Description

An exploitable denial-of-service vulnerability exists in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 16.000, Series B FRN 15.002, Series B FRN 15.000, Series B FRN 14.000, Series B FRN 13.000, Series B FRN 12.000, Series B FRN 11.000 and Series B FRN 10.000. A specially crafted packet can cause a major error, resulting in a denial of service. An attacker can send a malicious packet to trigger this vulnerability.

Solution

Refer to vendor advisory for Security Updates

See Also

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057

https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02

Plugin Details

Severity: High

ID: 500443

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2020-6111

CVSS v2

Risk Factor: Medium

Base Score: 5

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

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

CPE: cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:10.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:11.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:12.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:13.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:14.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:15.000:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:15.002:*:*:*:*:*:*:*, cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:16.000:*:*:*:*:*:*:*

Patch Publication Date: 12/3/2020

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-6111