Platform
aspnet
Component
smartstorenet
Fixed in
4.0.1
CVE-2020-15243 describes a critical authentication bypass vulnerability within the Web API plugin of Smartstore. This flaw allows attackers to potentially gain unauthorized access to the Smartstore API, leading to data breaches and system compromise. The vulnerability impacts Smartstore versions 4.0.0 through 4.0.1. A fix is available in version 4.0.1, or the Web API plugin can be uninstalled as a temporary workaround.
The missing WebApi Authentication attribute in affected Smartstore versions creates a significant security risk. An attacker could exploit this vulnerability to bypass authentication and directly access the Smartstore API. This could enable them to read, modify, or delete sensitive data stored within the Smartstore system, including customer information, product details, and order history. Successful exploitation could also lead to the attacker gaining administrative privileges, allowing them to completely control the Smartstore instance. The potential blast radius extends to any connected systems or services that rely on the Smartstore API for data exchange.
CVE-2020-15243 was publicly disclosed on October 8, 2020. While no active exploitation campaigns have been definitively confirmed, the vulnerability's critical severity and ease of exploitation make it a potential target. It is not currently listed on the CISA KEV catalog. Public proof-of-concept exploits are available, increasing the risk of opportunistic attacks.
Exploit Status
EPSS
0.28% (51% percentile)
CVSS Vector
The primary mitigation for CVE-2020-15243 is to upgrade Smartstore to version 4.0.1 or later, which includes the necessary authentication fix. If an immediate upgrade is not feasible, uninstalling the Web API plugin will effectively close the vulnerability. As a temporary workaround, consider implementing strict firewall rules to restrict access to the Smartstore API endpoints from unauthorized IP addresses. After upgrading, confirm the fix by attempting to access the API without proper authentication credentials; access should be denied.
Update Smartstore to a version later than 4.0.1 or apply the patch provided by the vendor. As an alternative, uninstall the Web API plugin to mitigate the vulnerability.
Vulnerability analysis and critical alerts directly to your inbox.
CVE-2020-15243 is a critical vulnerability in Smartstore versions 4.0.0-4.0.1 where the Web API plugin lacks authentication, allowing unauthorized API access.
If you are running Smartstore versions 4.0.0 or 4.0.1 with the Web API plugin enabled, you are potentially affected by this vulnerability.
Upgrade to Smartstore version 4.0.1 or later, or uninstall the Web API plugin to mitigate the vulnerability.
While no confirmed active exploitation campaigns are known, the vulnerability's severity and ease of exploitation make it a potential target.
Refer to the Smartstore security advisory for detailed information and remediation steps: [https://www.smartstore.com/news/security-advisory-cve-2020-15243](https://www.smartstore.com/news/security-advisory-cve-2020-15243)
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