CVE-2020-6238 : Security Advisory and Response

SAP Commerce versions 6.6, 6.7, 1808, 1811, and 1905 are affected by a vulnerability that allows unauthorized XML input processing in the Rest API, leading to Missing XML Validation.

Understanding CVE-2020-6238

SAP Commerce is impacted by a critical vulnerability that affects confidentiality and availability.

What is CVE-2020-6238?

The vulnerability in SAP Commerce versions allows malicious actors to exploit XML input processing in the Rest API, resulting in Missing XML Validation.

The Impact of CVE-2020-6238

The vulnerability affects the confidentiality and availability (partially) of SAP Commerce due to insecure XML input processing.

Technical Details of CVE-2020-6238

SAP Commerce vulnerability details and affected systems.

Vulnerability Description

SAP Commerce versions 6.6, 6.7, 1808, 1811, and 1905 lack secure XML input processing in the Rest API, leading to Missing XML Validation.

Affected Systems and Versions

Product: SAP Commerce
Vendor: SAP SE
Vulnerable Versions: < 6.6, < 6.7, < 1808, < 1811, < 1905

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
User Interaction: None
Scope: Changed
Availability Impact: Low

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-6238 vulnerability.

Immediate Steps to Take

Apply security patches provided by SAP for the affected versions.
Monitor and restrict XML input in the Rest API to prevent unauthorized access.

Long-Term Security Practices

Regularly update SAP Commerce to the latest secure versions.
Implement strict input validation mechanisms to prevent XML-related vulnerabilities.

Patching and Updates

Stay informed about security updates from SAP and apply patches promptly to secure the system.