Unauthenticated MITM Attack Vulnerability in B&R Automation Studio Upgrade Service

Unauthenticated MITM Attack Vulnerability in B&R Automation Studio Upgrade Service

CVE-2019-19101 · MEDIUM Severity

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

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.

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