system
Identify the affected product in <CVE-2019-6821>.
user
Which product is affected by <CVE-2019-6821>?
assistant
The affected product is Modicon Controllers, Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum and version: Modicon Controllers, Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum.