CVE-2020-2828:Oracle WebLogic Server vulnerability allows unauthenticated remote attackers to gain access to critical data via IIOP or T3 protocols.

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CVE-2020-2828 affects Oracle WebLogic Server version 10.3.6.0.0, specifically within the WLS Web Services component. This vulnerability allows unauthenticated attackers with network access to compromise the server through IIOP or T3 protocols. Successful exploitation can lead to unauthorized access to critical data or complete access to all data accessible by the WebLogic Server. The vulnerability has a CVSS 3.0 Base Score of 7.5, indicating a high confidentiality impact.

Overview

This vulnerability in Oracle WebLogic Server 10.3.6.0.0 affects the WLS Web Services component. It is considered easily exploitable and allows remote attackers without authentication to gain access to sensitive information. The attack vector requires network access via IIOP (Internet Inter-ORB Protocol) or T3 (a proprietary Oracle protocol). The primary impact is on confidentiality, with no direct impact on integrity or availability. The CVSS vector (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates that this is a network-exploitable vulnerability with low attack complexity, requiring no privileges or user interaction, and having a high confidentiality impact.

Remediation

Organizations using Oracle WebLogic Server 10.3.6.0.0 should apply the security patches provided in the April 2020 Critical Patch Update (CPU). If immediate patching is not possible, consider implementing the following mitigations:

  1. Restrict network access to the WebLogic Server, particularly for the IIOP and T3 protocols.
  2. Implement network segmentation to limit exposure of the WebLogic Server.
  3. Monitor for suspicious activities, particularly unauthorized access attempts.
  4. Consider upgrading to a newer version of WebLogic Server if possible.
  5. Follow Oracle's security best practices for WebLogic Server configuration.

References

  1. Oracle Critical Patch Update Advisory - April 2020: https://www.oracle.com/security-alerts/cpuapr2020.html
  2. Oracle Fusion Middleware Security Documentation: https://docs.oracle.com/middleware/1213/core/JVSEC/
  3. Oracle WebLogic Server Documentation: https://docs.oracle.com/middleware/1221/wls/index.html
  4. CVSS 3.0 Specification: https://www.first.org/cvss/specification-document

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