Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
Products affected by CVE-2020-6990
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cpe:2.3:a:rockwellautomation:rslogix_500:-
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cpe:2.3:a:rockwellautomation:rslogix_500:12.001
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cpe:2.3:h:rockwellautomation:micrologix_1100:-
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cpe:2.3:h:rockwellautomation:micrologix_1400:-
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cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:-
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cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:14.00
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cpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware:-
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:-
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:11.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:12.001
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:13.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:13.003
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:14.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:14.002
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.001
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.002
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.003
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.004
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:15.005
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:16.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:16.001
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:16.002
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:21.000
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cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:21.001