CVE-2021-27634

Description

SAP NetWeaver AS for ABAP (RFC Gateway), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method ThCpicDtCreate () causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory sap.com Vendor Advisory sap.com
Affected: SAP SE SAP NetWeaver AS for ABAP (RFC Gateway)
Published at:
Updated at:

References

Link Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999 broken link vendor advisory
https://launchpad.support.sap.com/#/notes/3020209 permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27634?
CVE-2021-27634 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27634?
To fix CVE-2021-27634, 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-2021-27634 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27634 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27634?
CVE-2021-27634 affects SAP SE SAP NetWeaver AS for ABAP (RFC Gateway).
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