CVEvulnerability

CVE-2019-19101

5.9 MEDIUM Published 2020-04-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-04-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-295, CWE-326

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.

Affected configurations

• br-automation automation studio (>= 4.0 <= 4.0.29.87) • br-automation automation studio (>= 4.1 <= 4.1.17.113) • br-automation automation studio (>= 4.2 <= 4.2.14.119) • br-automation automation studio (>= 4.3 < 4.3.11) • br-automation automation studio (>= 4.4 < 4.4.9) • br-automation automation studio (>= 4.5 < 4.5.5) • br-automation automation studio (>= 4.6 < 4.6.4) • br-automation automation studio (>= 4.7 < 4.7.2)

Related

Weakness · CWE (2)

  • CWE-295 Improper Certificate Validation weakness
  • CWE-326 Inadequate Encryption Strength weakness

References