CVE-2024-34689:CVE-2024-34689 is a Server-Side Request Forgery vulnerability in SAP Business Workflow WebFlow Services that allows an authenticated attacker to enumerate internal HTTP endpoints, potentially leading to information disclosure. The issue affects SAP_BASIS versions 700, 701, 702, 731, 740, 750–758 and requires low attacker effort with low privileges, while not impacting integrity or availability.

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WebFlow Services of SAP Business Workflow contains a Server-Side Request Forgery (SSRF) flaw that enables an authenticated attacker to enumerate accessible HTTP endpoints within the internal network by crafting specific HTTP requests. Successful exploitation can disclose information about internal services and configurations, exposing sensitive details without altering data integrity or interrupting service availability. The vulnerability is categorized as CWE-918 (Server-Side Request Forgery) and affects SAP_BASIS versions 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, and 758. The CVSS 3.1 base score is 5.0 (Medium), with network attack vector, low attack complex, requiring low privileges and no user interaction, and a scope change.

Overview

WebFlow Services in SAP Business Workflow exposes an SSRF risk that can be exploited by an authenticated attacker to probe and enumerate internal HTTP endpoints, leading to potential information disclosure about internal services and configurations. The flaw does not affect data integrity nor service availability. The affected products are SAP_BASIS releases including 700, 701, 702, 731, 740, and 750 through 758.

Remediation

  • Apply the SAP security patch and/or note indicated for this vulnerability. Specifically, apply SAP Note 3458789 (as part of the SAP Security Patch Day release) and upgrade SAP_BASIS to a version containing the fix. Consult SAP for the exact patched version that mitigates this CVE.
  • If immediate patching is not possible, restrict exposure of WebFlow Services to trusted networks only (restrict to VPN/IP allowlists), require strong authentication, and enforce the principle of least privilege for who can access WebFlow endpoints.
  • Disable or harden unnecessary WebFlow endpoints where feasible, and consider temporarily disabling WebFlow Services if they are not required in your environment.
  • Enable and monitor logging for WebFlow Services. Set up alerts for unusual HTTP enumeration patterns or access attempts targeting internal endpoints.
  • Verify the fix after patching with a vulnerability scan or targeted testing, and re-assess the environment for any related exposure.

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