CVE-2022-22806:A CWE-294: Authentication Bypass by Capture-replay vulnerability exists in Schneider Electric's SmartConnect products, allowing unauthenticated connections to the UPS when a malformed connection is sent.

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CVE-2022-22806 is a vulnerability identified as CWE-294, which pertains to Authentication Bypass by Capture-replay. This vulnerability affects multiple series within Schneider Electric's SmartConnect product family, including SMT Series, SMC Series, SMTL Series, SCL Series, and SMX Series. The flaw allows an attacker to establish an unauthenticated connection to the Uninterruptible Power Supply (UPS) by sending a specially crafted malformed connection. The affected versions include SMT Series (UPS 04.5 and prior), SMC Series (UPS 04.2 and prior), SMTL Series (UPS 02.9 and prior), SCL Series (various IDs with UPS 02.5 and prior, and UPS 03.1 and prior), and SMX Series (UPS 03.1 and prior). This vulnerability poses significant security risks, as it could allow unauthorized access to critical UPS management functions.

Overview

CVE-2022-22806 is a security vulnerability affecting Schneider Electric's SmartConnect product family. The vulnerability is categorized under CWE-294, which indicates an authentication bypass due to capture-replay techniques. The flaw allows attackers to connect to the UPS without proper authentication by exploiting malformed connection requests. This could lead to unauthorized control over the UPS, potentially compromising the integrity and availability of power management systems.

Remediation

To mitigate the risks associated with CVE-2022-22806, users of the affected Schneider Electric SmartConnect products should take the following actions:

  1. Update Software: Ensure that all SmartConnect devices are updated to the latest firmware version provided by Schneider Electric. Check the vendor's website or contact support for the latest patches that address this vulnerability.
  2. Network Security: Implement network security measures such as firewalls and intrusion detection systems to monitor and restrict unauthorized access attempts to the UPS.
  3. Access Controls: Review and strengthen access control policies to limit who can connect to the UPS management interfaces.
  4. Monitoring: Regularly monitor logs and alerts for any unusual access patterns or unauthorized connection attempts.

References

  1. Schneider Electric Security Advisory: SEVD-2022-067-02
  2. CVE Details: CVE-2022-22806 (for additional context and updates)
  3. CWE-294: CWE-294: Authentication Bypass by Capture-replay (for understanding the nature of the vulnerability)

These details provide a comprehensive overview of the vulnerability, its implications, and recommended actions for remediation.

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Public Administration: Medium
    Public Administration
  2. Manufacturing: Medium
    Manufacturing
  3. Health Care & Social Assistance: Medium
    Health Care & Social Assistance
  4. Educational Services: Medium
    Educational Services
  5. Transportation & Warehousing: Low
    Transportation & Warehousing
  6. Retail Trade: Low
    Retail Trade
  7. Utilities: Low
    Utilities
  8. Other Services (except Public Administration): Low
    Other Services (except Public Administration)
  9. Arts, Entertainment & Recreation: Low
    Arts, Entertainment & Recreation
  10. Professional, Scientific, & Technical Services: Low
    Professional, Scientific, & Technical Services
  11. Information: Low
    Information
  12. Agriculture, Forestry Fishing & Hunting: Low
    Agriculture, Forestry Fishing & Hunting
  13. Finance and Insurance: Low
    Finance and Insurance
  14. Management of Companies & Enterprises: Low
    Management of Companies & Enterprises
  15. Real Estate Rental & Leasing: Low
    Real Estate Rental & Leasing
  16. Construction: Low
    Construction
  17. Accommodation & Food Services: Low
    Accommodation & Food Services
  18. Administrative, Support, Waste Management & Remediation Services: Low
    Administrative, Support, Waste Management & Remediation Services
  19. Mining: Low
    Mining
  20. Wholesale Trade: Low
    Wholesale Trade

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  2. Identify True Risk.
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