CVE-2020-6984

State: Published
Severity: 9.8 Critical
Published: Mar 16, 2020
Updated: Jun 3, 2026
Reserved: Jan 14, 2020

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 function utilized to protect the password in MicroLogix is discoverable.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-327 USE OF A BROKEN OR RISKY ALGORITHM FOR PASSWORD PROTECTION USE OF CLIENT-SIDE AUTHENTICATION CWE-327

Affected Products

Product	Versions
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 priorn/a	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 priorAffected

References

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

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