CVE-2017-14471

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability. Required Keyswitch State: REMOTE or PROG Associated Fault Codes: 0023, 002e, and 0037 Fault Type: Recoverable Description: The STI, EII, and HSC function files contain bits signifying whether or not a fault has occurred. Additionally there is a bit signaling the module to auto start. When these bits are set for any of the three modules and the device is moved into a run state, a fault is triggered.

Existe una vulnerabilidad explotable de control de acceso en las funcionalidades data, program y function file de Allen Bradley Micrologix 1400 Series B FRN, en versiones 21.2 y anteriores. Un paquete especialmente manipulado puede provocar una operación de lectura o escritura que resulta en la revelación de información sensible, modificación de opciones o modificación de la lógica de escala. Un atacante puede enviar paquetes sin autenticación para provocar esta vulnerabilidad. Estado de Keyswitch requerido: REMOTE o PROG. Códigos de error asociados: 0023, 002e y 0037. Tipo de error: Recoverable. Descripción: Los archivos de función STI, EII y HSC contienen bits que indican si ha ocurrido un error o no. Adicionalmente, hay un bit que señala que el módulo se autoinicie. Cuando estos bits se establecen para cualquiera de estos tres módulos y el dispositivo se mueve a un estado de ejecución, se desencadena el error.

*Credits: N/A

CVSS Scores

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

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-09-13 CVE Reserved
2018-04-05 CVE Published
2023-07-08 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443	2024-09-16

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 B Firmware Search vendor "Rockwellautomation" for product "Micrologix 1400 B Firmware"	<= 21.2 Search vendor "Rockwellautomation" for product "Micrologix 1400 B Firmware" and version " <= 21.2"	-	Affected	in	Rockwellautomation Search vendor "Rockwellautomation"	Micrologix 1400 Search vendor "Rockwellautomation" for product "Micrologix 1400"	-	-	Safe