Critical severity · published May 12, 2021
CVE-2021-27384
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
9.8
CVSS
2.6%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
Simatic Hmi Comfort Outdoor Panels 15" Firmware · Siemens
before 16; 16; 16; 16; 16; 16; +7 more · source: NVD
SH
Simatic Hmi Comfort Outdoor Panels 7" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Comfort Panels 22" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Comfort Panels 4" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp400f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp700 Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp700f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp900 Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp900f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SW
Simatic Wincc Runtime Advanced · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SG
Sinamics Gh150 Firmware · Siemens
All versions, or not specified · source: NVD
SG
Sinamics Gl150 Firmware · Siemens
All versions, or not specified · source: NVD
Affected product
SH
Simatic Hmi Comfort Outdoor Panels 15" Firmware
Siemens
More from Simatic Hmi Comfort Outdoor Panels 15" Firmware
7.5
CVE-2021-27386
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-27385
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-27383
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-25662
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-25661
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl