Unauthenticated Network Attack Leading to System Crash in SAP NetWeaver ABAP Server
CVE-2021-27628

7.5HIGH

Key Information:

Vendor
SAP
Status
SAP Netweaver Abap Server And Abap Platform (dispatcher)
Vendor
CVE Published:
9 June 2021

Summary

The SAP NetWeaver ABAP Server and ABAP Platform experience a vulnerability that allows an unauthenticated attacker to send specially crafted packets over the network. This can lead to an internal error in the system due to improper input validation in the method DpRTmPrepareReq(), causing the server to crash and become unavailable. During this attack, system data remains secure as it cannot be viewed or modified.

Affected Version(s)

SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) < KRNL32NUC - 7.22 < KRNL32NUC - 7.22

SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) < 7.22EXT < 7.22EXT

SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) < KRNL32UC - 7.22 < KRNL32UC - 7.22

References

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageI...
https://launchpad.support.sap.com/#/notes/3021197

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.