CVE-2020-6111 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057 https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5