#VU26605 Missing Required Cryptographic Step in Automation Studio - CVE-2019-19101

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Main Vulnerability Database Vulnerabilities #VU26605

#VU26605 Missing Required Cryptographic Step in Automation Studio - CVE-2019-19101

Published: April 6, 2020


Vulnerability identifier: #VU26605
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-19101
CWE-ID: CWE-325
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Automation Studio
Software vendor:
B&R Industrial Automation GmbH

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to the missing secure communication definition and an incomplete TLS validation in the upgrade service. A remote attacker can perform MitM attacks via the B&R upgrade server. 

This vulnerability affects the following versions:

  • Automation Studio, Versions 4.0.x
  • Automation Studio, Versions 4.1.x
  • Automation Studio, Versions 4.2.x
  • Automation Studio, versions prior to 4.3.11SP
  • Automation Studio, versions prior to 4.4.9SP
  • Automation Studio, versions prior to 4.5.4SP
  • Automation Studio, versions prior to 4.6.3SP
  • Automation Studio, versions prior to 4.7.2
  • Automation Studio, versions prior to 4.8.1

    • Remediation

    Install updates from vendor's website.

    External links