CVE-2021-27603: Medium severity sap netweaver as abap vulnerability

Published Apr 13, 2021

Updated

An RFC enabled function module SPIWAITMILLIS 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 Software

3 affected components

SAP NetWeaver Application Server ABAP=731

SAP NetWeaver Application Server ABAP=740

SAP NetWeaver Application Server ABAP=750

Event History

Apr 13, 2021

CVE Published

via MITRE·06:40 PM

Data Sourced

via MITRE·06:40 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2021-27603?

CVE-2021-27603 is classified as a high-severity vulnerability that can lead to Denial of Service.

What software is affected by CVE-2021-27603?

CVE-2021-27603 affects SAP NetWeaver AS ABAP versions 731, 740, and 750.

How do I fix CVE-2021-27603?

To fix CVE-2021-27603, apply the necessary patches provided by SAP for the affected versions.

What type of attack does CVE-2021-27603 enable?

CVE-2021-27603 enables an attacker to block all work processes, resulting in a Denial of Service attack.

Is there a workaround for CVE-2021-27603?

There are no official workarounds for CVE-2021-27603; patching the software is the recommended action.