system
Identify the affected product in <CVE-2020-17521>.
user
Which product is affected by <CVE-2020-17521>?
assistant
The affected product is Apache Groovy and version: 2.0 to 2.4.20, 2.5.0 to 2.5.13, 3.0.0 to 3.0.6, 4.0.0-alpha-1.