CVE-2021-22681 — n/a / Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, Logix Controllers

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
n/a / Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, Logix Controllers	affected RSLogix 5000 Versions 16 through 20; affected Studio 5000 Logix Designer: Versions 21 and later; affected CompactLogix 1768, 1769, 5370, 5380, 5480; affected ControlLogix 5550, 5560, 5570, 5580; affected DriveLogix 5560, 5730, 1794-L34; affected Compact GuardLogix 5370, 5380; affected GuardLogix 5570, 5580; affected SoftLogix 5800

CWE

CWE-522

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03

ADP enrichment

CVE

No English description supplied.

https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03

CISA-ADP

No English description supplied.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22681