CVE-2022-22805:A buffer overflow vulnerability in Schneider Electric's SmartConnect products could allow remote code execution when improperly handled TLS packets are reassembled.

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CVE-2022-22805 is a vulnerability classified as CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'). This vulnerability affects multiple series of Schneider Electric's SmartConnect products, including SMT Series, SMC Series, SMTL Series, SCL Series, and SMX Series. The flaw arises when TLS packets are reassembled without proper handling, potentially leading to remote code execution. The affected versions include SMT Series (ID=1015: UPS 04.5 and prior), SMC Series (ID=1018: UPS 04.2 and prior), SMTL Series (ID=1026: UPS 02.9 and prior), SCL Series (IDs 1029, 1030, 1036: UPS 02.5 and prior, ID=1037: UPS 03.1 and prior), and SMX Series (ID=1031: UPS 03.1 and prior).

Overview

CVE-2022-22805 is a critical vulnerability that affects Schneider Electric's SmartConnect family of products. The vulnerability is due to a classic buffer overflow, which can be exploited through the reassembly of improperly handled TLS packets. This could allow an attacker to execute arbitrary code remotely, posing significant risks to the integrity and availability of the affected systems. Organizations using the impacted products should assess their exposure and take necessary actions to mitigate the risk.

Remediation

To remediate the vulnerability, users of the affected Schneider Electric SmartConnect products should:

  1. Update Software: Check for and apply any available patches or updates from Schneider Electric that address this vulnerability.
  2. Review Configuration: Ensure that TLS configurations are properly set to minimize the risk of exploitation.
  3. Monitor Systems: Implement monitoring for unusual activity that may indicate an attempted exploit of this vulnerability.
  4. Consult Vendor Guidance: Refer to Schneider Electric’s official documentation and advisories for specific remediation steps and best practices.

References

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

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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