PT-2021-17566 · Sap · Sap Netweaver Abap Server+1

Published

2021-06-09

·

Updated

2022-10-31

·

CVE-2021-27631

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) versions 7.22, 7.22EXT, 7.49, 7.53, 7.73, 8.04
Description The issue allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network, triggering an internal error in the system due to improper input validation in the EnqConvUniToSrvReq() method. This causes the system to crash and renders it unavailable. In this attack, no data in the system can be viewed or modified.
Recommendations For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 7.22, consider disabling the EnqConvUniToSrvReq() method until a patch is available. For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 7.22EXT, consider disabling the EnqConvUniToSrvReq() method until a patch is available. For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 7.49, consider disabling the EnqConvUniToSrvReq() method until a patch is available. For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 7.53, consider disabling the EnqConvUniToSrvReq() method until a patch is available. For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 7.73, consider disabling the EnqConvUniToSrvReq() method until a patch is available. For SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server) version 8.04, consider disabling the EnqConvUniToSrvReq() method until a patch is available.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-27631

Affected Products

Abap Platform
Sap Netweaver Abap Server