CVE-2019-19101

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

State: Published
Severity: 6.5 Medium
Published: Apr 29, 2020
Updated: Aug 5, 2024
Reserved: Nov 18, 2019

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	ABB

Weaknesses

CWE-326 Inadequate Encryption Strength

Affected Products

Product	Versions
Automation StudioB&R	4.0.xAffected 4.1.xAffected 4.2.xAffected < 4.3.11SPAffected < 4.4.9SPAffected < 4.5.5SPAffected < 4.6.3SPAffected < 4.7.2Affected

References

https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/

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