CVE-2019-0270 : What You Need to Know
Learn about CVE-2019-0270, a vulnerability in SAP ABAP Server allowing unauthorized privilege escalation. Find out affected systems & versions, exploitation risks, and mitigation steps.
The ABAP Server of SAP NetWeaver and ABAP Platform had a flaw that allowed an authenticated user to bypass necessary authorization checks, resulting in gaining higher privileges. This issue has been fixed in various versions.
Understanding CVE-2019-0270
This CVE highlights a vulnerability in SAP SE's ABAP Platform & Server products.
What is CVE-2019-0270?
CVE-2019-0270 is a vulnerability in the ABAP Server of SAP NetWeaver and ABAP Platform that enables an authenticated user to escalate privileges by bypassing authorization checks.
The Impact of CVE-2019-0270
The vulnerability could lead to unauthorized access and potential misuse of privileged functionalities within the affected SAP systems.
Technical Details of CVE-2019-0270
This section provides more technical insights into the CVE.
Vulnerability Description
The flaw in the ABAP Server allows authenticated users to bypass necessary authorization checks, leading to the elevation of privileges.
Affected Systems and Versions
- ABAP Platform & Server (KRNL32NUC): Versions < 7.21, < 7.21EXT, < 7.22, < 7.22EXT
- ABAP Platform & Server (KRNL32UC): Versions < 7.21, < 7.21EXT, < 7.22, < 7.22EXT
- ABAP Platform & Server (KRNL64NUC): Versions < 7.21, < 7.21EXT, < 7.22, < 7.22EXT, < 7.49, < 7.74
- ABAP Platform & Server (KRNL64UC): Versions < 7.21, < 7.21EXT, < 7.22, < 7.22EXT, < 7.49, < 7.73, < 7.74, < 8.04
- ABAP Platform & Server (KERNEL): Versions < 7.21, < 7.45, < 7.49, < 7.53, < 7.73, < 7.74, < 7.75, < 8.04
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to perform actions with elevated privileges without proper authorization.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial.
Immediate Steps to Take
- Apply security patches provided by SAP promptly.
- Monitor and restrict user permissions to minimize the risk of unauthorized access.
Long-Term Security Practices
- Regularly update and patch SAP systems to address security vulnerabilities.
- Conduct security audits and assessments to identify and mitigate potential risks.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and security fixes to prevent exploitation of this vulnerability.