CVE-2019-19101

Incomplete communication encryption and validation in B&R Automation Studio upgrade service

Severity Score

5.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A missing secure communication definition and an incomplete TLS validation in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.5SP, < 4.6.4 and < 4.7.2 enable unauthenticated users to perform MITM attacks via the B&R upgrade server.

Una falta de definición de comunicación segura y una comprobación TLS incompleta en el servicio de actualización en B&R Automation Studio versiones 4.0.x, 4.1.x, 4.2.x, versiones anteriores a 4.3.11SP, versiones anteriores a 4.4.9SP, versiones anteriores a 4.5.5SP, versiones anteriores a 4.6.4 y versiones anteriores a 4.7.2, permiten a usuarios no autenticados llevar a cabo ataques de tipo MITM por medio del servidor de actualización de B&R.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-18 CVE Reserved
2020-04-29 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation
CWE-326: Inadequate Encryption Strength

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio	2021-11-03

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 <= 4.0.29.87 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.0 <= 4.0.29.87"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.1 <= 4.1.17.113 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.1 <= 4.1.17.113"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.2 <= 4.2.14.119 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.2 <= 4.2.14.119"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.3 < 4.3.11 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.3 < 4.3.11"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.4 < 4.4.9 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.4 < 4.4.9"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.5 < 4.5.5 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.5 < 4.5.5"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.6 < 4.6.4 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.6 < 4.6.4"		-		Affected
Br-automation Search vendor "Br-automation"		Automation Studio Search vendor "Br-automation" for product "Automation Studio"				>= 4.7 < 4.7.2 Search vendor "Br-automation" for product "Automation Studio" and version " >= 4.7 < 4.7.2"		-		Affected