CVE-2019-19100: Privilege escalation via B&R Automation Studio upgrade service
First published: Wed Apr 29 2020(Updated: )
A privilege escalation vulnerability 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, < 4.5.4SP, <. 4.6.3SP, < 4.7.2 and < 4.8.1 allow authenticated users to delete arbitrary files via an exposed interface.
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<4.5.4 | |
| Automation Studio | >=4.6<4.6.3 | |
| Automation Studio | >=4.7<4.7.2 | |
| Automation Studio | =4.8 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-19100?
CVE-2019-19100 is classified as a privilege escalation vulnerability.
How do I fix CVE-2019-19100?
To fix CVE-2019-19100, upgrade B&R Automation Studio to version 4.3.11SP or later.
What software versions are affected by CVE-2019-19100?
CVE-2019-19100 affects B&R Automation Studio versions 4.0.x to 4.2.x and below versions 4.3.11SP, 4.4.9SP, 4.5.4SP, 4.6.3SP, 4.7.2, and 4.8.1.
Can authenticated users exploit CVE-2019-19100?
Yes, authenticated users can exploit CVE-2019-19100 to delete arbitrary files via an exposed interface.
Is there a workaround for CVE-2019-19100 while waiting for a patch?
The recommended practice is to restrict access to the upgrade service interface as a temporary measure until the software can be updated.
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- 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
- version/automation studio/4.8