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CVE-2021-27386

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CVE-2021-27386

Published: May 12, 2021

Modified: Jun 2, 2026

PUBLISHED

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 a heap allocation leak vulnerability in the device layout handler on client side, which could result in a Denial-of-Service condition.

VendorProductVersions

Siemens

SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)

affected
All versions < V15.1 Update 6

Siemens

SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)

affected
All versions < V16 Update 4

Siemens

SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)

affected
All versions < V15.1 Update 6

Siemens

SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)

affected
All versions < V16 Update 4

Siemens

SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F

affected
All versions < V15.1 Update 6

Siemens

SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F

affected
All versions < V16 Update 4

Siemens

SIMATIC WinCC Runtime Advanced V15

affected
All versions < V15.1 Update 6

Siemens

SIMATIC WinCC Runtime Advanced V16

affected
All versions < V16 Update 4

Siemens

SINAMICS GH150

affected
All versions

Siemens

SINAMICS GL150 (with option X30)

affected
All versions

Siemens

SINAMICS GM150 (with option X30)

affected
All versions

Siemens

SINAMICS SH150

affected
All versions

Siemens

SINAMICS SL150

affected
All versions

Siemens

SINAMICS SM120

affected
All versions

Siemens

SINAMICS SM150

affected
All versions

Siemens

SINAMICS SM150i

affected
All versions

Weaknesses (CWE)

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