Password Protection Vulnerability in Rockwell Automation MicroLogix Controllers
CVE-2020-6984

7.5HIGH

Key Information:

Vendor

Rockwellautomation

Status
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
Vendor
CVE Published:
16 March 2020

What is CVE-2020-6984?

Rockwell Automation MicroLogix controllers, including Series B and Series A, as well as the MicroLogix 1100 Controller and RSLogix 500 software, suffer from a vulnerability in their cryptographic functionality. This weakness allows for the discoverability of passwords, potentially compromising access control and integrity of the systems. Organizations using these affected products should evaluate their security protocols and consider remediation strategies to mitigate this risk.

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Affected Version(s)

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all , MicroLogix 1100 Controller, all , RSLogix 500 Software v12.001 and prior 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

References

https://www.us-cert.gov/ics/advisories/icsa-20-070-06
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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