CVE-2019-19101: Incomplete communication encryption and validation in B&R Automation Studio upgrade service
First published: Wed Apr 29 2020(Updated: )
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.
Credit: cybersecurity@ch.abb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Automation Studio | >=4.0<=4.0.29.87 | |
| Automation Studio | >=4.1<=4.1.17.113 | |
| Automation Studio | >=4.2<=4.2.14.119 | |
| Automation Studio | >=4.3<4.3.11 | |
| Automation Studio | >=4.4<4.4.9 | |
| Automation Studio | >=4.5<4.5.5 | |
| Automation Studio | >=4.6<4.6.4 | |
| Automation Studio | >=4.7<4.7.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-19101?
CVE-2019-19101 is a vulnerability 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 that enables unauthenticated users to perform MITM attacks via the B&R upgrade server.
What is the severity of CVE-2019-19101?
The severity of CVE-2019-19101 is medium with a CVSS score of 5.9.
How can unauthenticated users exploit CVE-2019-19101?
Unauthenticated users can exploit CVE-2019-19101 by performing MITM attacks via the B&R upgrade server.
Which software versions are affected by CVE-2019-19101?
CVE-2019-19101 affects 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.
How can CVE-2019-19101 be mitigated?
To mitigate CVE-2019-19101, it is recommended to update B&R Automation Studio to a version higher than the vulnerable ones.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/title
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/br-automation
- canonical/automation studio
- version/automation studio/4.0
- version/automation studio/4.0.29.87
- version/automation studio/4.1
- version/automation studio/4.1.17.113
- version/automation studio/4.2
- version/automation studio/4.2.14.119
- version/automation studio/4.3
- version/automation studio/4.4
- version/automation studio/4.5
- version/automation studio/4.6
- version/automation studio/4.7