CVE-2022-40227

7.5 HIGH

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl

Published: 2022-10-11 · Last updated: 2026-06-02

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-20

Affected products

Vendor	Product
siemens	simatic_hmi_comfort_panels_firmware, simatic_hmi_ktp1200_basic_firmware, simatic_hmi_ktp400_basic_firmware

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2022-40227
[Vendor advisory]https://cert-portal.siemens.com/productcert/pdf/ssa-384224.pdf
[Vendor advisory]https://cert-portal.siemens.com/productcert/pdf/ssa-384224.pdf

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