CVE-2020-6990

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic key utilized to help protect the account password is hard coded into the RSLogix 500 binary file. An attacker could identify cryptographic keys and use it for further cryptographic attacks that could ultimately lead to a remote attacker gaining unauthorized access to the controller.

Rockwell Automation MicroLogix 1400 Controllers Series B versiones v21.001 y anteriores, Series A, todas las versiones, MicroLogix 1100 Controller, todas las versiones, RSLogix 500 Software versiones v12.001 y anteriores; La clave criptográfica usada para ayudar a proteger la contraseña de cuenta está embebida en el archivo binario de RSLogix 500. Un atacante podría identificar claves criptográficas y usarlas para nuevos ataques criptográficos que finalmente podrían conllevar a que un atacante remoto consiga acceso no autorizado al controlador.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-14 CVE Reserved
2020-03-16 CVE Published
2024-04-25 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-321: Use of Hard-coded Cryptographic Key
CWE-798: Use of Hard-coded Credentials

CAPEC

References (1)

URL	Tag	Source
https://www.us-cert.gov/ics/advisories/icsa-20-070-06	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1400 A Firmware Search vendor "Rockwellautomation" for product "Micrologix 1400 A Firmware"	*	-	Affected	in	Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1400 Search vendor "Rockwellautomation" for product "Micrologix 1400"	-	-	Safe
Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1400 B Firmware Search vendor "Rockwellautomation" for product "Micrologix 1400 B Firmware"	<= 21.001 Search vendor "Rockwellautomation" for product "Micrologix 1400 B Firmware" and version " <= 21.001"	-	Affected	in	Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1400 Search vendor "Rockwellautomation" for product "Micrologix 1400"	-	-	Safe
Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1100 Firmware Search vendor "Rockwellautomation" for product "Micrologix 1100 Firmware"	*	-	Affected	in	Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1100 Search vendor "Rockwellautomation" for product "Micrologix 1100"	-	-	Safe
Rockwellautomation Search vendor "Rockwellautomation"		Rslogix 500 Search vendor "Rockwellautomation" for product "Rslogix 500"				<= 12.001 Search vendor "Rockwellautomation" for product "Rslogix 500" and version " <= 12.001"		-		Affected