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[email protected]NVD:CVE-2021-22681

HistoryMar 03, 2021 - 6:15 p.m.

CVE-2021-22681

2021-03-0318:15:14

CWE-522

[email protected]

web.nvd.nist.gov

vulnerability

rockwell automation

logix designer

rslogix 5000

bypass

authentication mechanism

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.009

Percentile

82.6%

JSON

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 configurations

Nvd

Node

rockwellautomationcompact_guardlogix_5370Match-

rockwellautomationcompact_guardlogix_5380Match-

rockwellautomationcompactlogix_1768Match-

rockwellautomationcompactlogix_1769Match-

rockwellautomationcompactlogix_5370Match-

rockwellautomationcompactlogix_5380Match-

rockwellautomationcompactlogix_5480Match-

rockwellautomationcontrollogix_5550Match-

rockwellautomationcontrollogix_5560Match-

rockwellautomationcontrollogix_5570Match-

rockwellautomationcontrollogix_5580Match-

rockwellautomationdrivelogix_1794-l34Match-

rockwellautomationdrivelogix_5560Match-

rockwellautomationdrivelogix_5730Match-

rockwellautomationguardlogix_5570Match-

rockwellautomationguardlogix_5580Match-

rockwellautomationsoftlogix_5800Match-

AND

rockwellautomationfactorytalk_services_platformRange2.10≥

rockwellautomationrslogix_5000Range16–20

rockwellautomationstudio_5000_logix_designerRange21.0≥

VendorProductVersionCPE
rockwellautomationcompact_guardlogix_5370-cpe:2.3:h:rockwellautomation:compact_guardlogix_5370:-:*:*:*:*:*:*:*
rockwellautomationcompact_guardlogix_5380-cpe:2.3:h:rockwellautomation:compact_guardlogix_5380:-:*:*:*:*:*:*:*
rockwellautomationcompactlogix_1768-cpe:2.3:h:rockwellautomation:compactlogix_1768:-:*:*:*:*:*:*:*
rockwellautomationcompactlogix_1769-cpe:2.3:h:rockwellautomation:compactlogix_1769:-:*:*:*:*:*:*:*
rockwellautomationcompactlogix_5370-cpe:2.3:h:rockwellautomation:compactlogix_5370:-:*:*:*:*:*:*:*
rockwellautomationcompactlogix_5380-cpe:2.3:h:rockwellautomation:compactlogix_5380:-:*:*:*:*:*:*:*
rockwellautomationcompactlogix_5480-cpe:2.3:h:rockwellautomation:compactlogix_5480:-:*:*:*:*:*:*:*
rockwellautomationcontrollogix_5550-cpe:2.3:h:rockwellautomation:controllogix_5550:-:*:*:*:*:*:*:*
rockwellautomationcontrollogix_5560-cpe:2.3:h:rockwellautomation:controllogix_5560:-:*:*:*:*:*:*:*
rockwellautomationcontrollogix_5570-cpe:2.3:h:rockwellautomation:controllogix_5570:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
rockwellautomation	compact_guardlogix_5370	-	cpe:2.3:h:rockwellautomation:compact_guardlogix_5370:-:::::::*
rockwellautomation	compact_guardlogix_5380	-	cpe:2.3:h:rockwellautomation:compact_guardlogix_5380:-:::::::*
rockwellautomation	compactlogix_1768	-	cpe:2.3:h:rockwellautomation:compactlogix_1768:-:::::::*
rockwellautomation	compactlogix_1769	-	cpe:2.3:h:rockwellautomation:compactlogix_1769:-:::::::*
rockwellautomation	compactlogix_5370	-	cpe:2.3:h:rockwellautomation:compactlogix_5370:-:::::::*
rockwellautomation	compactlogix_5380	-	cpe:2.3:h:rockwellautomation:compactlogix_5380:-:::::::*
rockwellautomation	compactlogix_5480	-	cpe:2.3:h:rockwellautomation:compactlogix_5480:-:::::::*
rockwellautomation	controllogix_5550	-	cpe:2.3:h:rockwellautomation:controllogix_5550:-:::::::*
rockwellautomation	controllogix_5560	-	cpe:2.3:h:rockwellautomation:controllogix_5560:-:::::::*
rockwellautomation	controllogix_5570	-	cpe:2.3:h:rockwellautomation:controllogix_5570:-:::::::*