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TI-2021-19912 Aliases CVE-2021-44221GHSA-2q3f-cqqf-9p6p

Improper input validation in Siemens SIMATIC eaSie Core Package

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01425 73rd percentileScored 2026-11-07
Fix Fixed SIMATIC eaSie Core Package (Siemens): V22.00

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIMATIC eaSie Core Packagebefore V22.00V22.00Patch availableCNA
  • SIMATIC eaSie Core Package VendorSiemens Affected before V22.00 Fixed in V22.00 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:simatic_easie_core_package:*:*:*:*:*:*:*:*before 22.00VulnerableSiemens
  • cpe:2.3:a:siemens:simatic_easie_core_package:*:*:*:*:*:*:*:* Versions before 22.00 Vulnerable ·Siemens

Remediation

  • Fix · CNA SIMATIC eaSie Core Package (Siemens) Fixed in V22.00

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44221
  2. 2026-10-03 Alias added: GHSA-2q3f-cqqf-9p6p

References

Patch 1

  • TI-2021-19913 Missing authentication in Siemens SIMATIC eaSie Core Package CVSS 3.1CRITICAL 9.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences