CVE-2020-6988
16.03.2020, 16:15
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 victims 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.Enginsight
| Vendor | Product | Version |
|---|---|---|
| rockwellautomation | micrologix_1400_a_firmware | * |
| rockwellautomation | micrologix_1400_b_firmware | 𝑥 ≤ 21.001 |
| rockwellautomation | micrologix_1100_firmware | * |
| rockwellautomation | rslogix_500 | 𝑥 ≤ 12.001 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-603 - Use of Client-Side AuthenticationA client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check.
- CWE-287 - Improper AuthenticationWhen an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.