CVE-2021-25660

🗓️ 12 May 2021 13:18:22Reported by siemensType

cve🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 70 Views

A vulnerability in SIMATIC HMI Comfort and KTP Mobile Panels V15 & V16 and WinCC Runtime Advanced V15 & V16 allows for a Denial-of-Service condition via SmartVNC out-of-bounds memory access

Reporter	Title	Published	Views	Family All 10
CNNVD	Siemens SIMATIC WinCC 缓冲区错误漏洞	11 May 202100:00	–	cnnvd
CNVD	Siemens SmartVNC Out-of-Bounds Memory Access Vulnerability	19 May 202100:00	–	cnvd
Cvelist	CVE-2021-25660	12 May 202113:18	–	cvelist
EUVD	EUVD-2021-12552	7 Oct 202500:30	–	euvd
ICS	Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)	11 May 202100:00	–	ics
NVD	CVE-2021-25660	12 May 202114:15	–	nvd
OSV	CVE-2021-25660	12 May 202114:15	–	osv
Prion	Design/Logic Flaw	12 May 202114:15	–	prion
RedhatCVE	CVE-2021-25660	22 May 202521:36	–	redhatcve
Vulnrichment	CVE-2021-25660	12 May 202113:18	–	vulnrichment

NVD

Node

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareRange<16

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch16-

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch16update1

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch16update2

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch16update3

AND

siemens simatic_hmi_comfort_outdoor_panels_7"Match-

Node

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareRange<16

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch16

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch16-

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch16update1

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch16update2

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch16update3

AND

siemens simatic_hmi_comfort_outdoor_panels_15"Match-

Node

siemens simatic_hmi_comfort_panels_4"_firmwareRange<16

siemens simatic_hmi_comfort_panels_4"_firmwareMatch16-

siemens simatic_hmi_comfort_panels_4"_firmwareMatch16update1

siemens simatic_hmi_comfort_panels_4"_firmwareMatch16update2

siemens simatic_hmi_comfort_panels_4"_firmwareMatch16update3

AND

siemens simatic_hmi_comfort_panels_4"Match-

Node

siemens simatic_hmi_comfort_panels_22"_firmwareRange<16

siemens simatic_hmi_comfort_panels_22"_firmwareMatch16-

siemens simatic_hmi_comfort_panels_22"_firmwareMatch16update1

siemens simatic_hmi_comfort_panels_22"_firmwareMatch16update2

siemens simatic_hmi_comfort_panels_22"_firmwareMatch16update3

AND

siemens simatic_hmi_comfort_panels_22"Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareRange<16

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch16-

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch16update1

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch16update2

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch16update3

AND

siemens simatic_hmi_ktp_mobile_panels_ktp400fMatch-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareRange<16

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch16-

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch16update1

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch16update2

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch16update3

AND

siemens simatic_hmi_ktp_mobile_panels_ktp700Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareRange<16

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch16-

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch16update1

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch16update2

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch16update3

AND

siemens simatic_hmi_ktp_mobile_panels_ktp700fMatch-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareRange<16

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch16-

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch16update1

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch16update2

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch16update3

AND

siemens simatic_hmi_ktp_mobile_panels_ktp900Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareRange<16

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch16-

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch16update1

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch16update2

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch16update3

AND

siemens simatic_hmi_ktp_mobile_panels_ktp900fMatch-

Node

siemens simatic_wincc_runtime_advancedRange<16

siemens simatic_wincc_runtime_advancedMatch16-

siemens simatic_wincc_runtime_advancedMatch16update1

siemens simatic_wincc_runtime_advancedMatch16update2

siemens simatic_wincc_runtime_advancedMatch16update3

Node

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareRange<15.1

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1-

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1update1

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1update2

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1update3

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1update4

siemens simatic_hmi_comfort_outdoor_panels_7"_firmwareMatch15.1update5

AND

siemens simatic_hmi_comfort_outdoor_panels_7"Match-

Node

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareRange<15.1

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1-

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1update1

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1update2

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1update3

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1update4

siemens simatic_hmi_comfort_outdoor_panels_15"_firmwareMatch15.1update5

AND

siemens simatic_hmi_comfort_outdoor_panels_15"Match-

Node

siemens simatic_hmi_comfort_panels_4"_firmwareRange<15.1

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1-

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1update1

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1update2

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1update3

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1update4

siemens simatic_hmi_comfort_panels_4"_firmwareMatch15.1update5

AND

siemens simatic_hmi_comfort_panels_4"Match-

Node

siemens simatic_hmi_comfort_panels_22"_firmwareRange<15.1

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1-

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1update1

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1update2

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1update3

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1update4

siemens simatic_hmi_comfort_panels_22"_firmwareMatch15.1update5

AND

siemens simatic_hmi_comfort_panels_22"Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareRange<15.1

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1-

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1update1

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1update2

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1update3

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1update4

siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmwareMatch15.1update5

AND

siemens simatic_hmi_ktp_mobile_panels_ktp400fMatch-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareRange<15.1

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1-

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1update1

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1update2

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1update3

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1update4

siemens simatic_hmi_ktp_mobile_panels_ktp700_firmwareMatch15.1update5

AND

siemens simatic_hmi_ktp_mobile_panels_ktp700Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareRange<15.1

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1-

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1update1

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1update2

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1update3

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1update4

siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmwareMatch15.1update5

AND

siemens simatic_hmi_ktp_mobile_panels_ktp700fMatch-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareRange<15.1

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1-

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1update1

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1update2

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1update3

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1update4

siemens simatic_hmi_ktp_mobile_panels_ktp900_firmwareMatch15.1update5

AND

siemens simatic_hmi_ktp_mobile_panels_ktp900Match-

Node

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareRange<15.1

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1-

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1update1

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1update2

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1update3

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1update4

siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmwareMatch15.1update5

AND

siemens simatic_hmi_ktp_mobile_panels_ktp900fMatch-

Node

siemens simatic_wincc_runtime_advancedRange<15.1

siemens simatic_wincc_runtime_advancedMatch15.1-

siemens simatic_wincc_runtime_advancedMatch15.1update1

siemens simatic_wincc_runtime_advancedMatch15.1update2

siemens simatic_wincc_runtime_advancedMatch15.1update3

siemens simatic_wincc_runtime_advancedMatch15.1update4

siemens simatic_wincc_runtime_advancedMatch15.1update5

[
  {
    "product": "SIMATIC HMI Comfort Outdoor Panels V15 7\\\" & 15\\\" (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V15.1 Update 6"
      }
    ]
  },
  {
    "product": "SIMATIC HMI Comfort Outdoor Panels V16 7\\\" & 15\\\" (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V16 Update 4"
      }
    ]
  },
  {
    "product": "SIMATIC HMI Comfort Panels V15 4\\\" - 22\\\" (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V15.1 Update 6"
      }
    ]
  },
  {
    "product": "SIMATIC HMI Comfort Panels V16 4\\\" - 22\\\" (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V16 Update 4"
      }
    ]
  },
  {
    "product": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V15.1 Update 6"
      }
    ]
  },
  {
    "product": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V16 Update 4"
      }
    ]
  },
  {
    "product": "SIMATIC WinCC Runtime Advanced V15",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V15.1 Update 6"
      }
    ]
  },
  {
    "product": "SIMATIC WinCC Runtime Advanced V16",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V16 Update 4"
      }
    ]
  }
]

Source	Link
cert-portal	www.cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf

02 Jun 2026 20:16Current

7.3High risk

Vulners AI Score7.3

CVSS 25

CVSS 3.17.5

EPSS0.00457

SSVC