CVE-2021-44221: Siemens SIMATIC Easie Core Package

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The affected systems do not properly validate input that is sent to the underlying message passing framework. This could allow an remote attacker to trigger a denial of service of the affected system.

Affected products

• Siemens SIMATIC Easie Core Package: before 22.00 (fixed in 22.00)

Published 2022-07-12. Last modified 2026-06-17.