First published: Tue Apr 13 2021(Updated: )
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.
Credit: cna@sap.com
Affected Software | Affected Version | How to fix |
---|---|---|
SAP NetWeaver Application Server | =731 | |
SAP NetWeaver Application Server | =740 | |
SAP NetWeaver Application Server | =750 |
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CVE-2021-27603 is classified as a high-severity vulnerability that can lead to Denial of Service.
CVE-2021-27603 affects SAP NetWeaver AS ABAP versions 731, 740, and 750.
To fix CVE-2021-27603, apply the necessary patches provided by SAP for the affected versions.
CVE-2021-27603 enables an attacker to block all work processes, resulting in a Denial of Service attack.
There are no official workarounds for CVE-2021-27603; patching the software is the recommended action.