CVE-2021-22681

KEV
Published: Mar 03, 2021 Last Modified: Mar 06, 2026 EU-VD ID: EUVD-2021-9817 Aliases: GSD-2021-22681
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0018
Percentile
0,4th
Updated

EPSS Score Trend (Last 91 Days)

522

Insufficiently Protected Credentials

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Gain Privileges Or Assume Identity
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
View CWE Details
Application

Rslogix 5000 by Rockwellautomation

Product Information
Vendor Rockwellautomation
Product Rslogix 5000
Version Range Affected
From 16 (inclusive)
To 20 (inclusive)
cpe:2.3:a:rockwellautomation:rslogix_5000:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Factorytalk Services Platform by Rockwellautomation

Product Information
Vendor Rockwellautomation
Product Factorytalk Services Platform
Version Range Affected
From 2.10 (inclusive)
cpe:2.3:a:rockwellautomation:factorytalk_services_platform:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Studio 5000 Logix Designer by Rockwellautomation

Product Information
Vendor Rockwellautomation
Product Studio 5000 Logix Designer
Version Range Affected
From 21.0 (inclusive)
cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03
https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03
https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03
https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03