Security Advisory

CVE-2020-6988

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2020-03-16 15:38:36
Last updated 2026-06-03 13:21:33
Assigner icscert
CVSS score not scored
State PUBLISHED

Description

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, A remote, unauthenticated attacker can send a request from the RSLogix 500 software to the victim’s MicroLogix controller. The controller will then respond to the client with used password values to authenticate the user on the client-side. This method of authentication may allow an attacker to bypass authentication altogether, disclose sensitive information, or leak credentials.