CVE-2021-22282

RCE in B&R Automation Studio with crafted project files

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Control of Generation of Code ('Code Injection') vulnerability in B&R Industrial Automation Automation Studio allows Local Execution of Code.This issue affects Automation Studio: from 4.0 through 4.12.

Un algoritmo de copia incorrecto en el componente de extracción de proyectos en B&R Automation Studio 4 puede permitir que un atacante no autenticado ejecute código. Este problema afecta a Automation Studio: desde 4.X hasta 4.0.

*Credits: B&R would like to thank the following for working with us to help protect our customers: Mr. Mashav Sapir of Claroty, Mr. Andrew Hofmans

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-05 CVE Reserved
2024-02-02 CVE Published
2024-08-03 CVE Updated
2024-10-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')

CAPEC

CAPEC-549: Local Execution of Code

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.br-automation.com/fileadmin/2021-12_RCE_Vulnerability_in_BnR_Automation_Studio-1b993aeb.pdf	2024-02-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.0 <= 4.12 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.0 <= 4.12"		-		Affected