CVE-2020-27253

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.

Se presenta un fallo en la rutina de comprobación de Ingresos y Egresos de FactoryTalk Linx Versiones 6.11 y anteriores. Esta vulnerabilidad podría permitir a un atacante remoto, no autenticado, diseñar específicamente un paquete malicioso resultando en una condición de denegación de servicio en el dispositivo

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-19 CVE Reserved
2020-11-26 CVE Published
2023-11-14 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01	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"		Factorytalk Linx Search vendor "Rockwellautomation" for product "Factorytalk Linx"				<= 6.11 Search vendor "Rockwellautomation" for product "Factorytalk Linx" and version " <= 6.11"		-		Affected