CVE-2022-40227

HIGH

SIMATIC HMI Comfort/KTP Basic Panels < V17 Update 5 - DoS via TCP Packet

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0010
EPSS Percentile 27.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (17)
siemens/simatic_hmi_comfort_panels_firmware 17.0 (4 CPE variants)
siemens/simatic_hmi_comfort_panels_firmware < 17.0
siemens/simatic_hmi_ktp1200_basic_firmware 17.0 (5 CPE variants)
siemens/simatic_hmi_ktp1200_basic_firmware < 17.0
siemens/simatic_hmi_ktp400_basic_firmware 17.0 (5 CPE variants)
siemens/simatic_hmi_ktp400_basic_firmware < 17.0
siemens/simatic_hmi_ktp700_basic_firmware 17.0 (5 CPE variants)
siemens/simatic_hmi_ktp700_basic_firmware < 17.0
siemens/simatic_hmi_ktp900_basic_firmware 17.0 (5 CPE variants)
siemens/simatic_hmi_ktp900_basic_firmware < 17.0
... and 7 more
Published Oct 11, 2022
Tracked Since Feb 18, 2026