SEC Consult Vulnerability Lab Security Advisory < 20230214-0 >  
title: Multiple XSS Vulnerabilities  
product: B&R Systems Diagnostics Manager  
vulnerable version: >=3.00 and <=C4.93  
fixed version: >=D4.93  
CVE number: CVE-2022-4286  
impact: medium  
found: 2022-10-28  
by: S. Robertz (Office Vienna)  
G. Hechenberger (Office Vienna)  
SEC Consult Vulnerability Lab  
An integrated part of SEC Consult, an Atos company  
Europe | Asia | North America  
Vendor description:  
"Our slogan is our mission. The pursuit of Perfection in Automation has  
inspired and guided B&R for over 40 years. To us, perfection means more  
than developing the best solutions in industrial automation. It also means  
developing the best relationships โ€“ with our customers and partners as  
well as our employees and suppliers.  
Keen foresight and entrepreneurial courage helped us rise quickly into  
the ranks of top global players in industrial automation. An intuitive sense  
of market dynamics and emerging trends has established us as a pioneer,  
leading the way with the most innovative technology on the market.  
Our role as the ABB Group's global center for machine and factory automation  
strengthens our position of leadership and adds new momentum to our  
impressive record of sustained growth."  
Business recommendation:  
The vendor provides a software update which should be installed immediately.  
SEC Consult highly recommends to perform a thorough security review of the  
product conducted by security professionals to identify and resolve potential  
further security issues.  
Vulnerability overview/description:  
1) Multiple Reflected Cross-Site-Scripting Vulnerabilities (CVE-2022-4286)  
An attacker can execute arbitrary JavaScript code in the context of the  
victim's session, thus perform all actions, exfiltrate information, etc.  
In order to exploit this vulnerability the attacker will have to trick  
the user into visiting a manipulated URL.  
Proof of concept:  
1) Multiple Reflected Cross-Site-Scripting Vulnerabilities (CVE-2022-4286)  
The following URL has to be visited by the victim in order to execute  
arbitrary JavaScript code.  
A very similar vulnerability can be found at another endpoint of the  
System Diagnostic Manager (SDM).  
Vulnerable / tested versions:  
The following device and firmware version has been tested:  
* B&R X20CP3687X SwModuleVersion 186  
According to the vendor, all B&R Automation Runtime (AR) versions >=3.00 and <=C4.93  
are affected.  
Vendor contact timeline:  
2022-11-21: Contacting vendor through  
Sent encrypted advisory.  
2022-11-22: Vendor requests B&R Automation Runtime version.  
2022-12-01: Vendor confirms vulnerability. Will be fixed with next release.  
Asking for timeline.  
2022-12-13: Advisory and patch will be published on 2023-02-10.  
Vendor offers to share the advisory for review purposes.  
2023-01-25: Reviewing vendor advisory, receiving CVE + affected/fixed version  
2023-02-10: Vendor provides the patch.  
2023-02-14: Coordinated release of security advisory.  
The vendor supplies a patch, which should be installed immediately.  
The following version mitigates the identified XSS issues:  
* B&R Automation Runtime version >=D4.93  
The vendor has published the following security advisory:  
Administrators can deactivate the System Diagnostics Manager in case it is not  
Advisory URL:  
SEC Consult Vulnerability Lab  
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Europe | Asia | North America  
About SEC Consult Vulnerability Lab  
The SEC Consult Vulnerability Lab is an integrated part of SEC Consult, an  
Atos company. It ensures the continued knowledge gain of SEC Consult in the  
field of network and application security to stay ahead of the attacker. The  
SEC Consult Vulnerability Lab supports high-quality penetration testing and  
the evaluation of new offensive and defensive technologies for our customers.  
Hence our customers obtain the most current information about vulnerabilities  
and valid recommendation about the risk profile of new technologies.  
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EOF S. Robertz, G. Hechenberger / @2023