CVE-2021-35535

Insufficient Security Control Vulnerability

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insecure Boot Image vulnerability in Hitachi Energy Relion Relion 670/650/SAM600-IO series allows an attacker who manages to get access to the front network port and to cause a reboot sequences of the device may exploit the vulnerability, where there is a tiny time gap during the booting process where an older version of VxWorks is loaded prior to application firmware booting, could exploit the vulnerability in the older version of VxWorks and cause a denial-of-service on the product. This issue affects: Hitachi Energy Relion 670 Series 2.2.2 all revisions; 2.2.3 versions prior to 2.2.3.3. Hitachi Energy Relion 670/650 Series 2.2.0 all revisions; 2.2.4 all revisions. Hitachi Energy Relion 670/650/SAM600-IO 2.2.1 all revisions.

Una vulnerabilidad Insecure Boot Image en Hitachi Energy Relion Relion 670/650/SAM600-IO series permite que un atacante que consiga acceder al puerto de red frontal y causar una secuencia de reinicio del dispositivo pueda explotar la vulnerabilidad, donde se presenta un pequeño espacio de tiempo durante el proceso de arranque en el que se carga una versión antigua de VxWorks antes del arranque del firmware de la aplicación, podría explotar la vulnerabilidad de la versión antigua de VxWorks y causar una denegación de servicio en el producto. Este problema afecta a: Hitachi Energy Relion 670 Series versiones 2.2.2 todas las revisiones; versiones 2.2.3 versiones anteriores a 2.2.3.3. Hitachi Energy Relion 670/650 Series versiones 2.2.0 todas las revisiones; versiones 2.2.4 todas las revisiones. Hitachi Energy Relion 670/650/SAM600-IO versiones 2.2.1 todas las revisiones.

*Credits: Hitachi Energy thanks the following for working with us to help protect customers: U.S. Department of Energy CyTRICS researcher Riley Barello Myers.

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-28 CVE Reserved
2021-11-18 CVE Published
2024-07-20 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1188: Initialization of a Resource with an Insecure Default

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000061&LanguageCode=en&DocumentPartId=&Action=Launch	2023-04-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Hitachienergy Search vendor "Hitachienergy"	Relion 670 Firmware Search vendor "Hitachienergy" for product "Relion 670 Firmware"	>= 2.2.3 <= 2.2.3.3 Search vendor "Hitachienergy" for product "Relion 670 Firmware" and version " >= 2.2.3 <= 2.2.3.3"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 670 Search vendor "Hitachienergy" for product "Relion 670"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 670 Firmware Search vendor "Hitachienergy" for product "Relion 670 Firmware"	2.2.0 Search vendor "Hitachienergy" for product "Relion 670 Firmware" and version "2.2.0"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 670 Search vendor "Hitachienergy" for product "Relion 670"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 670 Firmware Search vendor "Hitachienergy" for product "Relion 670 Firmware"	2.2.1 Search vendor "Hitachienergy" for product "Relion 670 Firmware" and version "2.2.1"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 670 Search vendor "Hitachienergy" for product "Relion 670"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 670 Firmware Search vendor "Hitachienergy" for product "Relion 670 Firmware"	2.2.2 Search vendor "Hitachienergy" for product "Relion 670 Firmware" and version "2.2.2"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 670 Search vendor "Hitachienergy" for product "Relion 670"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 670 Firmware Search vendor "Hitachienergy" for product "Relion 670 Firmware"	2.2.4 Search vendor "Hitachienergy" for product "Relion 670 Firmware" and version "2.2.4"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 670 Search vendor "Hitachienergy" for product "Relion 670"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 650 Firmware Search vendor "Hitachienergy" for product "Relion 650 Firmware"	2.2.0 Search vendor "Hitachienergy" for product "Relion 650 Firmware" and version "2.2.0"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 650 Search vendor "Hitachienergy" for product "Relion 650"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 650 Firmware Search vendor "Hitachienergy" for product "Relion 650 Firmware"	2.2.1 Search vendor "Hitachienergy" for product "Relion 650 Firmware" and version "2.2.1"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 650 Search vendor "Hitachienergy" for product "Relion 650"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion 650 Firmware Search vendor "Hitachienergy" for product "Relion 650 Firmware"	2.2.4 Search vendor "Hitachienergy" for product "Relion 650 Firmware" and version "2.2.4"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion 650 Search vendor "Hitachienergy" for product "Relion 650"	-	-	Safe
Hitachienergy Search vendor "Hitachienergy"	Relion Sam600-io Firmware Search vendor "Hitachienergy" for product "Relion Sam600-io Firmware"	2.2.1 Search vendor "Hitachienergy" for product "Relion Sam600-io Firmware" and version "2.2.1"	-	Affected	in	Hitachienergy Search vendor "Hitachienergy"	Relion Sam600-io Search vendor "Hitachienergy" for product "Relion Sam600-io"	-	-	Safe