VULNERABILITY INTELLIGENCE
CVE-2019-19101
CVSS score6.5 MEDIUM
EPSS probability0.53%
CISA KEVNot currently listed
Published2020-04-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
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.
Weakness classification
- cybersecurity@ch.abb.com: CWE-326
- nvd@nist.gov: CWE-295
Primary references
- cybersecurity@ch.abb.com — Broken Link, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Vendor Advisory