CVE-2020-15243 : Security Advisory and Response

Smartstore version 4.0.0 & 4.0.1 is vulnerable due to a missing WebApi Authentication attribute. Users must take immediate action to secure their Smartstore shops.

Understanding CVE-2020-15243

This CVE involves a critical vulnerability in Smartstore versions 4.0.0 & 4.0.1, impacting shops with the Web API plugin activated.

What is CVE-2020-15243?

Smartstore versions 4.0.0 & 4.0.1 lack the necessary WebApi Authentication attribute, exposing them to potential exploitation.

The Impact of CVE-2020-15243

CVSS Base Score: 9.1 (Critical)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
This vulnerability requires no user interaction and can be exploited with low complexity.

Technical Details of CVE-2020-15243

Smartstore's vulnerability in versions 4.0.0 & 4.0.1 stems from a missing WebApi Authentication attribute.

Vulnerability Description

Affected versions lack the necessary WebApi Authentication attribute, leaving them open to potential unauthorized access.

Affected Systems and Versions

Product: SmartStoreNET
Vendor: smartstore
Versions: >= 4.0.0, <= 4.0.1

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: None
Scope: Unchanged
Exploitation involves network access without user interaction.

Mitigation and Prevention

Immediate action is crucial to secure Smartstore shops from CVE-2020-15243.

Immediate Steps to Take

Users of Smartstore 4.0.0 and 4.0.1 should merge their repository with 4.0.x or replace the file SmartStore.Web.Framework in the /bin directory.
Uninstalling the Web API plugin can serve as a temporary workaround.

Long-Term Security Practices

Regularly update Smartstore to the latest version to ensure all security patches are applied.

Patching and Updates

Stay informed about security advisories and promptly apply patches to mitigate vulnerabilities.