Summary
B&R Automation Runtime Vulnerabilities in System Diagnostic Manager (SDM)
Notes
Summary
An update is available that resolves a vulnerability identified by B&Rs internal security analysis in the product versions listed as affected in this advisory.
An attacker who successfully exploited these vulnerabilities could take over a remote session or execute code in the context of the user’s browser session.
General security recommendations
For any installation of software-related B&R products we strongly recommend the following (non-exhaustive) list of cyber security practices:
– Isolate special purpose networks (e.g. for automation systems) and remote devices behind firewalls and separate them from any general-purpose network (e.g. office or home networks).
– Install physical controls so no unauthorized personnel can access your devices, components, peripheral equipment, and networks.
– Never connect programming software or computers containing programing software to any net-work other than the network for the devices that it is intended for.
– Scan all data imported into your environment before use to detect potential malware infections.
– Minimize network exposure for all applications and endpoints to ensure that they are not accessi-ble from the Internet unless they are designed for such exposure and the intended use requires such.
– Ensure all nodes are always up to date in terms of installed software, operating system, and firm-ware patches as well as anti-virus and firewall.
– When remote access is required, use secure methods, such as Virtual Private Networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices.
More information on recommended practices can be found in the following documents:
Defense in Depth for B&R products
Support
For additional instructions and support please contact your local B&R service organization. For contact information, see https://www.br-automation.com/en/about-us/locations/.
Information about ABB’s cyber security program and capabilities can be found at www.abb.com/cybersecurity.
Notice
The information in this document is subject to change without notice, and should not be construed as a commitment by B&R.
B&R provides no warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, for the information contained in this document, and assumes no responsibility for any errors that may appear in this document. In no event shall B&R or any of its suppliers be liable for direct, indirect, special, incidental or consequential damages of any nature or kind arising from the use of this document, or from the use of any hardware or software described in this document, even if B&R or its suppliers have been advised of the possibility of such damages.
This document and parts hereof must not be reproduced or copied without written permission from B&R, and the contents hereof must not be imparted to a third party nor used for any unauthorized purpose.
All rights to registrations and trademarks reside with their respective owners.
Mitigating factors
Do not enable the System Diagnostics Manager when it is not required.
Refer to section “General security recommendations” for further advise on how to keep your system secure.
Workarounds
Do not use Hyperlinks provided by untrusted 3rd party to access the SDM. Hyperlinks may be provided via:
• Emails from unknown users
• Social media channels
• Messaging services
• Webpages with comment functionality
• QR Codes
The use of external Web Application Firewalls (WAF) can mitigate attacks using reflected cross-site scripting.
Purpose
B&R has a rigorous internal cyber security continuous improvement process which involves regular testing with industry leading tools and periodic assessments to identify potential product issues. Occasionally an issue is determined to be a design or coding flaw with implications that may impact product cyber security.
When a potential product vulnerability is identified or reported, B&R immediately initiates our vulnerability handling process. This entails validating if the issue is in fact a product issue, identifying root causes, determining what related products may be impacted, developing a remediation, and notifying end users and governmental organizations.
The resulting Cyber Security Advisory intends to notify customers of the vulnerability and provide details on which products are impacted, how to mitigate the vulnerability or explain workarounds that minimize the potential risk as much as possible. The release of a Cyber Security Advisory should not be misconstrued as an affirmation or indication of an active threat or ongoing campaign targeting the products mentioned here. If B&R is aware of any specific threats, it will be clearly mentioned in the communication.
The publication of this Cyber Security Advisory is an example of B&R’s commitment to the user community in support of this critical topic. Responsible disclosure is an important element in the chain of trust we work to maintain with our many customers. The release of an Advisory provides timely information which is essential to help ensure our customers are fully informed
Frequently asked questions
What causes the vulnerabilities?
The vulnerabilities are caused by insufficient input sanitization and generation of predictable numbers.
What is System Diagnostics Manager (SDM)?
System Diagnostics Manager (SDM) is a webpage available over the Automation Runtime Webserver, showing key diagnostic information of the running controller.
What is Automation Runtime (AR)?
B&R Automation Runtime is a middleware system enabling customers to run applications on B&R target
systems.
What might an attacker use the vulnerabilities to do?
An attacker who successfully exploited these vulnerabilities could cause to run arbitrary code in the context of the user’s browser session or take over the user’s session. Since the SDM currently does not process any session-specific data and also does not implement authentication mechanisms at the session level, B&R is not aware of any advantages an attacker could gain by taking over the session ID
How could an attacker exploit the vulnerabilities?
To exploit the XSS vulnerability CVE-2025-3448, an attacker could try to create a hyperlink including malicious script code. This hyperlink must be opened by the user to launch the attack.
To exploit vulnerability CVE-2025-3449, an attacker would need to guess a user's session ID.
Could the vulnerabilities be exploited remotely?
Yes, an attacker who has network access to an affected system node could exploit this vulnerability. Recommended practices include that process control systems are physically protected, have no direct connections to the Internet, and are separated from other networks by means of a firewall system that has a minimal number of ports exposed.
When this security advisory was issued, had this vulnerability been publicly disclosed?
No, B&R discovered the vulnerabilities through its own security analysis.
When this security advisory was issued, had B&R received any reports that this vulnerability was being exploited?
No, B&R had not received any information indicating that this vulnerability had been exploited when this security advisory was originally issued.
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"text": "An Improper Neutralization of Formula Elements in a CSV File vulnerability exists in System Diagnostics Manager (SDM) of B\u0026R Automation Runtime versions before 6.4 enabling a remote attacker to inject formula data into a generated CSV file. The exploitation of this vulnerability requires the attack-er to create a malicious link. The user would need to click on this link, after which the resulting CSV file additionally needs to be manually opened.",
"title": "CVE Description"
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"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"environmentalScore": 5.8,
"environmentalSeverity": "MEDIUM",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "CHANGED",
"temporalScore": 5.8,
"temporalSeverity": "MEDIUM",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/RL:O/RC:C",
"version": "3.1"
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"products": [
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],
"title": "CVE-2025-11498"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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