CVE-2020-15243 WebApi Authentication attribute missing in Smartstore

Critical 9.1 Published 8 Oct 2020 Updated 4 Aug 2024

Attackers can access Web API endpoints without authentication if the plugin is enabled, allowing unauthorized data access or modification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-15243?

CVE-2020-15243 is a critical missing authorization vulnerability in SmartStoreNET, published on 8 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Affected versions of Smartstore have a missing WebApi Authentication attribute. This vulnerability affects Smartstore shops in version 4.0.0 & 4.0.1 which have installed and activated the Web API plugin. Users of Smartstore 4.0.0 and 4.0.1 must merge their repository with 4.0.x or overwrite the file SmartStore.Web.Framework in the */bin* directory of the deployed shop with this file. As a workaround without updating uninstall the Web API plugin to close this vulnerability.

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2020-15243?

It affects 1 product.

Products include Smartstore Smartstore.

How do I fix CVE-2020-15243?

No fix has been published for CVE-2020-15243 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-15243 being exploited?

There is no known exploitation of CVE-2020-15243 in the wild and no public exploit code.

Sources

Also known as GHSA-8g9m-jx26-qp4h.