QID 87455

Date Published: 2021-09-28

QID 87455: SAP NetWeaver AS ABAP Denial of Service (DoS) Vulnerability

An RFC enabled function module SPI_WAIT_MILLIS in SAP NetWeaver AS ABAP, versions - 731, 740, 750, allows to keep a work process busy for any length of time. An attacker could call this function module multiple times to block all work processes thereby causing Denial of Service and affecting the Availability of the SAP system.

Affected Versions:
SAP NetWeaver AS for ABAP, Versions - 731, 740, 750

QID Detection Logic(s):
Scan initiates HTTP request on Web Server and determines version based on the Server Header.

An attacker could call this function module multiple times to block all work processes thereby causing Denial of Service and affecting the Availability of the SAP system.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as Medium - 4 severity.
    • Solution
    Customers are advised to follow the SAP Security Note 3028729 for remediation instructions.
    Vendor References

    CVEs related to QID 87455

    CVE-2021-27603 |
    Software Advisories
    Advisory ID Software Component Link
    SAP Security Note 3028729 URL Logo wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649
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