CVE-2019-19101

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-326 CWE-295

Affected software

Vendor	Product	Versions
B&R	Automation Studio	4.0.x; 4.1.x; 4.2.x; < 4.3.11SP; < 4.4.9SP; < 4.5.5SP; < 4.6.3SP; < 4.7.2

References

https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/Broken Link, Vendor Advisory
https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/Broken Link, Vendor Advisory

Timeline

Published: Apr 29, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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