Vulnerability: CVE-2020-6988

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.


https://www.us-cert.gov/ics/advisories/icsa-20-070-06
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6988


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