CVE-2021-27384 Information

Description

A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\ & 15\ (incl. SIPLUS variants) (All versions < V15.1 Update 6) SIMATIC HMI Comfort Outdoor Panels V16 7\ & 15\ (incl. SIPLUS variants) (All versions < V16 Update 4) SIMATIC HMI Comfort Panels V15 4\ - 22\ (incl. SIPLUS variants) (All versions < V15.1 Update 6) SIMATIC HMI Comfort Panels V16 4\ - 22\ (incl. SIPLUS variants) (All versions < V16 Update 4) SIMATIC HMI KTP Mobile Panels V15 KTP400F KTP700 KTP700F KTP900 and KTP900F (All versions < V15.1 Update 6) SIMATIC HMI KTP Mobile Panels V16 KTP400F KTP700 KTP700F KTP900 and KTP900F (All versions < V16 Update 4) SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6) SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4) SINAMICS GH150 (All versions) SINAMICS GL150 (with option X30) (All versions) SINAMICS GM150 (with option X30) (All versions) SINAMICS SH150 (All versions) SINAMICS SL150 (All versions) SINAMICS SM120 (All versions) SINAMICS SM150 (All versions) SINAMICS SM150i (All versions). SmartVNC has an out-of-bounds memory access vulnerability in the device layout handler represented by a binary data stream on client side which can potentially result in code execution.

CVSS Vector

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

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8