CVE-2021-22681Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
Explotación conocida — Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
CISA confirmó el 05.03.2026 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 26.03.2026.
Acción requerida: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://support.rockwellautomation.com/app/answers/answer_view/a_id/1130301/~/cve-2021-22681%3A-authentication-bypass-vulnerability-found-in-logix-controllers- ; https://www.cisa.gov/news-events/ics-advisories/icsa-21-056-03 ; https://nvd.nist.gov/vuln/detail/CVE-2021-22681
Descripción
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.
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| rockwellautomation | factorytalk services platform | 2.10 – | |
| rockwellautomation | rslogix 5000 | 16 – ≤ 20 | |
| rockwellautomation | studio 5000 logix designer | 21.0 – | |
| — | Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, Logix Controllers | RSLogix 5000 Versions 16 through 20, Studio 5000 Logix Designer: Versions 21 and later, 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 |
Referencias y parches
- https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03 Third Party AdvisoryUS Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22681 US Government Resource
Coincidencias CPE (NVD) (3)
cpe:2.3:a:rockwellautomation:factorytalk_services_platform:*:*:*:*:*:*:*:*≥ 2.10cpe:2.3:a:rockwellautomation:rslogix_5000:*:*:*:*:*:*:*:*≥ 16 ≤ 20cpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*≥ 21.0