CVE-2021-27384

State
Published
Severity
9.8 Critical
Published
May 12, 2021
Updated
Jun 2, 2026
Reserved
Feb 18, 2021

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

  • CWE-788 Access of Memory Location After End of Buffer

Affected Products

ProductVersions
SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)Siemens
  • All versions < V15.1 Update 6Affected
SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)Siemens
  • All versions < V16 Update 4Affected
SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)Siemens
  • All versions < V15.1 Update 6Affected
SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)Siemens
  • All versions < V16 Update 4Affected
SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900FSiemens
  • All versions < V15.1 Update 6Affected
SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900FSiemens
  • All versions < V16 Update 4Affected
SIMATIC WinCC Runtime Advanced V15Siemens
  • All versions < V15.1 Update 6Affected
SIMATIC WinCC Runtime Advanced V16Siemens
  • All versions < V16 Update 4Affected
SINAMICS GH150Siemens
  • All versionsAffected
SINAMICS GL150 (with option X30)Siemens
  • All versionsAffected
SINAMICS GM150 (with option X30)Siemens
  • All versionsAffected
SINAMICS SH150Siemens
  • All versionsAffected
SINAMICS SL150Siemens
  • All versionsAffected
SINAMICS SM120Siemens
  • All versionsAffected
SINAMICS SM150Siemens
  • All versionsAffected
SINAMICS SM150iSiemens
  • All versionsAffected

References

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