Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-22681

Severity CVSS v4.0:
Pending analysis
Type:
CWE-522 Insufficiently Protected Credentials
Publication date:
03/03/2021
Last modified:
25/04/2022

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:rockwellautomation:factorytalk_services_platform:*:*:*:*:*:*:*:* 2.10 (including)
cpe:2.3:a:rockwellautomation:rslogix_5000:*:*:*:*:*:*:*:* 16 (including) 20 (including)
cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:* 21.0 (including)
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:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools