NetSight
critical9.8

CVE-2020-6990

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Softw…

Impact

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, The cryptographic key utilized to help protect the account password is hard coded into the RSLogix 500 binary file. An attacker could identify cryptographic keys and use it for further cryptographic attacks that could ultimately lead to a remote attacker gaining unauthorized access to the controller.

Affected products

VendorProductAffected versions
RockwellautomationMicrologix 1400 A Firmware
All versions
RockwellautomationMicrologix 1400 B Firmware
through 21.001
RockwellautomationMicrologix 1100 Firmware
All versions
RockwellautomationRslogix 500
through 12.001

Weakness classification

References