CVE-2019-19101 MEDIUM

CVE-2019-19101: Incomplete communication encryption and validation in B&R Automation Studio upgrade service

Vendor B&R
Product Automation Studio
Weakness CWE-326 · Weak encryption
Published April 29, 2020
Last update August 5, 2024
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 29, 2020 CVE published
August 5, 2024 Record updated