ABB VSN300 WiFi Logger Card
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CVSS v3 7.5
ATTENTION: Remotely exploitable/low skill level to exploit.
Equipment: VSN300 WiFi Logger Card
Vulnerabilities: Improper Authentication; Permissions, Privileges, and Access Controls
The following versions of VSN300 WiFi Logger Card, a device for solar system monitoring, are affected:
- VSN300 WiFi Logger Card versions 1.8.15 and prior.
- VSN300 WiFi Logger Card for React versions 2.1.3 and prior.
Successful exploitation of these vulnerabilities could allow attackers to gain unauthorized access to privileged information.
ABB recommends that users update firmware to version 1.9.0 or newer for WiFi Logger Card, and version 2.2.5 or newer for WiFi Logger Card for React. This can be done via remote firmware updating with Aurora Vision or via integrated web user interface by downloading the firmware from the ABB server.
Users can find more information from ABB’s security advisory at the following location:
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
- Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.
- Locate control system networks and remote devices behind firewalls, and isolate them from the business network.
- When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices.
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access internal information about status and connected devices without authenticating.
The web application does not properly restrict privileges of the “Guest” account. A malicious user may be able to gain access to configuration information that should be restricted.
Maxim Rupp identified these vulnerabilities.
Critical Infrastructure Sector: Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Zurich, Switzerland
For any questions related to this report, please contact the NCCIC at:
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