CVE-2020-6988
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.
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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