CVE-2021-27603

Description

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.

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory sap.com
Affected: SAP SE SAP NetWeaver AS for ABAP
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-27603?
CVE-2021-27603 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27603?
To fix CVE-2021-27603, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27603 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27603 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27603?
CVE-2021-27603 affects SAP SE SAP NetWeaver AS for ABAP.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.