system
Identify the affected product in <CVE-2017-20158>.
user
Which product is affected by <CVE-2017-20158>?
assistant
The affected product is Yii2 FileAPI Widget and version: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8.