Kingspan TMS300 CS

1. EXECUTIVE SUMMARY

• CVSS v3 9.8
• ATTENTION: Exploitable remotely/Low attack complexity 
• Vendor: Kingspan
• Equipment: TMS300 CS
• Vulnerability: Improper Authentication

2. RISK EVALUATION

The TMS300 CS system does not properly restrict access to endpoints, and successful exploitation of this vulnerability could allow an attacker to view and modify application settings without authenticating.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

All versions of Kingspan TMS300 CS, a water tank management system, are affected.

• Kingspan TMS300 CS: All versions

3.2 VULNERABILITY OVERVIEW

3.2.1    IMPROPER AUTHENTICATION CWE-287

Due to the lack of adequately implemented access-control rules, an attacker can view and modify the application settings without authenticating by accessing a specific uniform resource locator (URL) on the webserver.

CVE-2022-2757 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

3.3 BACKGROUND

• CRITICAL INFRASTRUCTURE SECTORS: Water and Wastewater Systems
• COUNTRIES/AREAS DEPLOYED: Worldwide 
• COMPANY HEADQUARTERS LOCATION: Ireland

3.4 RESEARCHER

Maxim Rupp reported this vulnerability to CISA.

4. MITIGATIONS

Kingspan has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of the affected product are encouraged to contact Kingspan customer support for additional information.

CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. Specifically, users should:

• Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.
• Locate control system networks and remote devices behind firewalls and isolate them from business networks.
• When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best 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 on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

No known public exploits specifically target this vulnerability.

• Kingspan