CVE-2021-21446 Explained : Impact and Mitigation
Learn about CVE-2021-21446 impacting SAP NetWeaver AS ABAP versions 740 to 755. Unauthenticated attackers can disrupt service availability, posing a high risk. Find mitigation steps here.
SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, leading to a high impact on service availability.
Understanding CVE-2021-21446
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-21446?
CVE-2021-21446 affects SAP NetWeaver AS ABAP, impacting versions 740 to 755. It enables unauthorized users to disrupt service availability through crashing or flooding attacks.
The Impact of CVE-2021-21446
The vulnerability poses a high risk to the availability of services, as unauthenticated attackers can deny access to legitimate users, causing disruption and potential downtime.
Technical Details of CVE-2021-21446
Let's delve into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw in SAP NetWeaver AS ABAP versions 740-755 allows attackers to disrupt services, potentially leading to denial of service.
Affected Systems and Versions
SAP NetWeaver AS ABAP versions 740 to 755 are susceptible to this vulnerability, exposing organizations to service disruption risks.
Exploitation Mechanism
Unauthorized users can exploit this vulnerability to launch crashing or flooding attacks, impacting service availability and hindering legitimate user access.
Mitigation and Prevention
Discover the essential steps to mitigate the risks associated with CVE-2021-21446.
Immediate Steps to Take
Organizations should apply security patches promptly and implement temporary measures to prevent exploitation of the vulnerability.
Long-Term Security Practices
Establish robust security protocols, conduct regular vulnerability assessments, and educate employees on recognizing and reporting security incidents.
Patching and Updates
Stay informed about security updates from SAP, apply patches diligently, and monitor systems for any signs of exploitation or unauthorized access.