CVE-2020-26819 : Exploit Details and Defense Strategies
Learn about CVE-2020-26819 affecting SAP NetWeaver AS ABAP (Web Dynpro) versions 731 to 782. Discover the impact, affected systems, and mitigation steps.
SAP NetWeaver AS ABAP (Web Dynpro) versions 731, 740, 750, 751, 752, 753, 754, 755, 782 allow authenticated users to access Web Dynpro components, potentially leading to unauthorized access to database logfiles due to Improper Access Control.
Understanding CVE-2020-26819
This CVE involves a vulnerability in SAP NetWeaver AS ABAP (Web Dynpro) that allows authenticated users to exploit Web Dynpro components.
What is CVE-2020-26819?
SAP NetWeaver AS ABAP (Web Dynpro) versions 731 to 782 enable authenticated users to access Web Dynpro components, potentially allowing them to read and delete database logfiles due to a lack of proper access control.
The Impact of CVE-2020-26819
The vulnerability poses a medium severity risk with a CVSS base score of 5.4. If exploited, it could lead to unauthorized access to sensitive database logfiles.
Technical Details of CVE-2020-26819
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability in SAP NetWeaver AS ABAP (Web Dynpro) versions 731 to 782 allows authenticated users to access Web Dynpro components, potentially leading to unauthorized access to database logfiles due to Improper Access Control.
Affected Systems and Versions
- Product: SAP NetWeaver AS ABAP (Web Dynpro)
- Vendor: SAP SE
- Affected Versions: < 731, < 740, < 750, < 751, < 752, < 753, < 754, < 755, < 782
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to access Web Dynpro components, potentially allowing them to read and delete database logfiles due to Improper Access Control.
Mitigation and Prevention
Protect your systems from CVE-2020-26819 with the following steps:
Immediate Steps to Take
- Apply security patches provided by SAP.
- Monitor and restrict user access to sensitive components.
- Regularly review and audit access controls.
Long-Term Security Practices
- Implement the principle of least privilege for user access.
- Conduct regular security training for system users.
Patching and Updates
- Stay informed about security updates from SAP.
- Apply patches promptly to address known vulnerabilities.