CVE-2020-6988 Information

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.

CVSS Vector

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

Reference

https://www.us-cert.gov/ics/advisories/icsa-20-070-06

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5