CVE-2021-44235 : What You Need to Know
Discover the impact and solution for CVE-2021-44235 in SAP NetWeaver AS ABAP. Learn about the vulnerability allowing code injection and the necessary steps for mitigation.
A vulnerability in SAP NetWeaver AS ABAP allows code injection, potentially leading to arbitrary command execution with severe consequences for system security.
Understanding CVE-2021-44235
What is CVE-2021-44235?
Two methods in SAP NetWeaver AS ABAP versions 700-756 permit code injection by an attacker with high privileges, affecting system integrity.
The Impact of CVE-2021-44235
The vulnerability enables the execution of arbitrary commands on the OS, posing risks to system Confidentiality, Integrity, and Availability.
Technical Details of CVE-2021-44235
Vulnerability Description
The flaw in SAP NetWeaver AS ABAP versions allows attackers to inject code, leading to unauthorized command execution.
Affected Systems and Versions
- Product: SAP NetWeaver AS ABAP
- Affected Versions: < 700, < 701, < 702, < 710, < 711, < 730, < 731, < 740, < 750, < 751, < 752, < 753, < 754, < 755, < 756
Exploitation Mechanism
The vulnerability lets attackers inject code via specific transaction class builders, exploiting high privileges and direct SAP system access.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patch provided by SAP.
- Restrict access to high-privileged accounts and sensitive system components.
- Monitor and log system activities for unusual behavior.
Long-Term Security Practices
- Regularly update SAP systems and applications to mitigate vulnerabilities.
- Implement least privilege principles to limit access rights.
- Conduct periodic security assessments and code reviews.
Patching and Updates
Regularly check for and apply security patches and updates to SAP NetWeaver AS ABAP.