CVE-2021-33678 : Security Advisory and Response
Learn about CVE-2021-33678, a code injection vulnerability in SAP NetWeaver AS ABAP (Reconciliation Framework) allowing attackers to execute malicious code and potentially disrupt system availability. Find mitigation steps and security practices.
A high privileged attacker can exploit a code injection vulnerability in SAP NetWeaver AS ABAP (Reconciliation Framework) to execute malicious code, potentially leading to critical information deletion and system unavailability.
Understanding CVE-2021-33678
This CVE-2021-33678 impacts SAP NetWeaver AS ABAP (Reconciliation Framework) versions < 700 to 75F.
What is CVE-2021-33678?
A function module of SAP NetWeaver AS ABAP (Reconciliation Framework) allows a high privileged attacker to inject code that can be executed by the application. This could lead to critical information deletion and system compromise.
The Impact of CVE-2021-33678
The CVSS score for this vulnerability is 6.5 (Medium severity), with a base score calculated based on different aspects including attack complexity, attack vector, and impact on confidentiality, integrity, and availability of the system.
Technical Details of CVE-2021-33678
This vulnerability is categorized under CWE-95 (Code Injection) and affects multiple versions of SAP NetWeaver AS ABAP (Reconciliation Framework).
Vulnerability Description
The vulnerability allows a high privileged attacker to inject code into the application, potentially deleting critical information and disrupting system availability.
Affected Systems and Versions
SAP NetWeaver AS ABAP (Reconciliation Framework) versions impacted include < 700, < 701, < 702, < 710, < 711, < 730, < 731, < 740, < 750, < 751, < 752, < 75A, < 75B, < 75C, < 75D, < 75E, < 75F.
Exploitation Mechanism
The attacker can inject malicious code into the application due to the vulnerability, leading to potential system compromise.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-33678, users are advised to take immediate and long-term security measures and apply relevant patches and updates.
Immediate Steps to Take
It is recommended to monitor and restrict access to vulnerable systems, implement strong authentication mechanisms, and regularly monitor for any unauthorized activities.
Long-Term Security Practices
Regularly update and patch SAP NetWeaver AS ABAP (Reconciliation Framework), conduct security assessments, and educate users about safe coding practices and cybersecurity awareness.
Patching and Updates
Apply the latest security patches and updates provided by SAP to address the CVE-2021-33678 vulnerability.