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Simatic Hmi Comfort Panels Firmware CVE-2022-40227

HIGH
Improper Input Validation (CWE-20)
2022-10-11 productcert@siemens.com
Denial Of Service Simatic Hmi Comfort Panels Firmware Simatic Hmi Ktp400 Basic Firmware Simatic Hmi Ktp700 Basic Firmware Simatic Hmi Ktp900 Basic Firmware Simatic Hmi Ktp1200 Basic Firmware Simatic Hmi Ktp Mobile Panels Firmware Siplus Hmi Ktp400 Basic Firmware Siplus Hmi Ktp700 Basic Firmware Siplus Hmi Ktp900 Basic Firmware Siplus Hmi Ktp1200 Basic Firmware
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 11, 2022 - 11:15 cve.org
HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. 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. Affected products include: Siemens Simatic Hmi Comfort Panels Firmware, Siemens Simatic Hmi Ktp400 Basic Firmware, Siemens Simatic Hmi Ktp700 Basic Firmware, Siemens Simatic Hmi Ktp900 Basic Firmware, Siemens Simatic Hmi Ktp1200 Basic Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Same weakness CWE-20 – Improper Input Validation

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CVE-2022-40227 vulnerability details – vuln.today
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