CVE-2021-22681

R

ockwell 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.

Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:a:rockwellautomation:factorytalk_services_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:rslogix_5000:*:*:*:*:*:*:*:*
cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*
OR cpe:2.3:h:rockwellautomation:compact_guardlogix_5370:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compact_guardlogix_5380:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compactlogix_1768:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compactlogix_1769:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compactlogix_5370:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compactlogix_5380:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:compactlogix_5480:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:controllogix_5550:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:controllogix_5560:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:controllogix_5570:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:controllogix_5580:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:drivelogix_1794-l34:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:drivelogix_5560:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:drivelogix_5730:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:guardlogix_5570:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:guardlogix_5580:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:softlogix_5800:-:*:*:*:*:*:*:*

History

05 Mar 2026, 20:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22681 -

21 Nov 2024, 05:50

Type Values Removed Values Added
References () https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03 - Third Party Advisory, US Government Resource () https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03 - Third Party Advisory, US Government Resource