Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key to verify Logix controllers are communicating with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800. Rockwell Automation Studio 5000 Logix Designer Versions 21 and later and RSLogix 5000: Versions 16 through 20 are vulnerable because an unauthenticated attacker could bypass this verification mechanism and authenticate with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2021-03-03T17:59:43

Updated: 2024-08-03T18:51:06.940Z

Reserved: 2021-01-05T00:00:00

Link: CVE-2021-22681

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-03-03T18:15:14.643

Modified: 2022-04-25T16:16:25.733

Link: CVE-2021-22681

cve-icon Redhat

No data.