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Case File

CVE-2020-6990

CRITICAL · CVSS 9.8 EPSS 4.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-03-16 · Last synced 2026-08-04

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CVE
CVE-2020-6990
Severity
CRITICAL
CVSS
9.8
EPSS
4.37%

Original NVD 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, 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.