CVE-2021-27628 : Security Advisory and Response
Explore CVE-2021-27628 impacting SAP NetWeaver ABAP Server and ABAP Platform versions. Learn about the vulnerability, affected systems, exploitation mechanism, and mitigation steps.
A detailed overview of CVE-2021-27628 focusing on the SAP NetWeaver ABAP Server and ABAP Platform vulnerability.
Understanding CVE-2021-27628
This section provides insights into the nature and impact of the vulnerability.
What is CVE-2021-27628?
CVE-2021-27628 affects SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) versions, allowing unauthenticated attackers to crash the system by sending a specially crafted packet over the network.
The Impact of CVE-2021-27628
The vulnerability can render the affected system unavailable with a reproducible internal error due to improper input validation in method DpRTmPrepareReq().
Technical Details of CVE-2021-27628
Explore the technical aspects of the CVE-2021-27628 vulnerability.
Vulnerability Description
The vulnerability in SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) arises from improper input validation, leading to a system crash.
Affected Systems and Versions
SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher) versions impacted include KRNL32NUC - 7.22, 7.22EXT, KRNL32UC - 7.22, 7.22EXT, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC - 8.04, and more.
Exploitation Mechanism
An unauthenticated attacker can exploit the vulnerability by triggering an internal error through a specially crafted packet sent over the network.
Mitigation and Prevention
Learn about the steps to mitigate and prevent the impact of CVE-2021-27628.
Immediate Steps to Take
Immediate actions to secure the affected SAP NetWeaver ABAP Server and ABAP Platform systems.
Long-Term Security Practices
Best security practices to adopt for long-term protection against similar vulnerabilities.
Patching and Updates
Information on patches and updates provided by SAP to address CVE-2021-27628.