CVE-2020-6990
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRockwellautomation Micrologix 1400 A Firmware
PublishedMar 16, 2020
First seenMar 16, 2020
Weakness typeCWE-321CWE-321
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rockwellautomation micrologix_1400_a_firmware | No range specified | — |
| rockwellautomation micrologix_1400_b_firmware | v ≤ 21.001 | — |
| rockwellautomation micrologix_1100_firmware | No range specified | — |
| rockwellautomation rslogix_500 | v ≤ 12.001 | — |
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