Siemens Spectrum Power Systems

1. EXECUTIVE SUMMARY

• CVSS v3 8.8 *ATTENTION: Low attack complexity
• **Vendor:**Siemens
• Equipment: Spectrum Power
• Vulnerability: Use of Hard-coded Credentials

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to gain administrative privileges by using an account with default credentials.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of Spectrum Power, a SCADA, data modeling and monitoring system, are affected:

• Spectrum Power 4: All versions using Shared HIS
• Spectrum Power 7: All versions using Shared HIS
• Spectrum Power MGMS: All versions using Shared HIS

3.2 VULNERABILITY OVERVIEW

3.2.1 USE OF HARD-CODED CREDENTIALS CWE-798

An unauthenticated attacker could log into the component Shared HIS, which is used in Spectrum Power systems, by using an account with default credentials. A successful exploitation could allow the attacker to access the component Shared HIS with administrative privileges.

CVE-2022-26476 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been assigned; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

3.3 BACKGROUND

• CRITICAL INFRASTRUCTURE SECTORS: Energy
• COUNTRIES/AREAS DEPLOYED: Worldwide
• COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Siemens reported this vulnerability to CISA.

4. MITIGATIONS

Siemens recommends users contact Siemens for specific mitigations.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage.

For more information see Siemens Security Advisory SSA-388239

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 on cisa.gov/ics 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 on the ICS webpage on cisa.gov/ics in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.

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

No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.