CVE-2022-40227

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V17 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V17 Update 4), SIMATIC HMI KTP1200 Basic (All versions < V17 Update 5), SIMATIC HMI KTP400 Basic (All versions < V17 Update 5), SIMATIC HMI KTP700 Basic (All versions < V17 Update 5), SIMATIC HMI KTP900 Basic (All versions < V17 Update 5), SIPLUS HMI KTP1200 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP400 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP700 BASIC (All versions < V17 Update 5), SIPLUS HMI KTP900 BASIC (All versions < V17 Update 5). Affected devices do not properly validate input sent to certain services over TCP. This could allow an unauthenticated remote attacker to cause a permanent denial of service condition (requiring a device reboot) by sending specially crafted TCP packets.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

VendorProductVersions
SiemensSIMATIC HMI Comfort Panels (incl. SIPLUS variants)All versions < V17 Update 4
SiemensSIMATIC HMI KTP Mobile PanelsAll versions < V17 Update 4
SiemensSIMATIC HMI KTP1200 BasicAll versions < V17 Update 5
SiemensSIMATIC HMI KTP400 BasicAll versions < V17 Update 5
SiemensSIMATIC HMI KTP700 BasicAll versions < V17 Update 5
SiemensSIMATIC HMI KTP900 BasicAll versions < V17 Update 5
SiemensSIPLUS HMI KTP1200 BASICAll versions < V17 Update 5
SiemensSIPLUS HMI KTP400 BASICAll versions < V17 Update 5
SiemensSIPLUS HMI KTP700 BASICAll versions < V17 Update 5
SiemensSIPLUS HMI KTP900 BASICAll versions < V17 Update 5

References

Timeline

Published
Oct 11, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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