Vulnerability-Lookup

BDU:2023-03468 (CVE-2021-27386)

Vulnerability from fstec – Published: 2023-06-28 – Updated: 2023-06-29 – View on bdu.fstec.ru Fixed

Title

Уязвимость микропрограммного обеспечения продуктов Siemens SIMATIC и SINAMICS, связанная с ошибкой освобождения памяти, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость микропрограммного обеспечения продуктов Siemens SIMATIC и SINAMICS связана с ошибкой освобождения памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании

Severity

7.8 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Resource exhaustion

Incidents

Being clarified

Remediation

Software update

CWE

CWE-401 - Неправильное освобождение памяти перед удалением последней ссылки («утечка памяти»)

Aliases

CVE-2021-27386, SSA-286838, SSA-538778, ICSA-21-131-12

References

4 references

URL
https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12
https://vuldb.com/?id.174983

Impacted products

20 products from 1 vendor

Vendors

Siemens AG

Products

SIMATIC HMI KTP Mobile Panels V15 KTP400F, SIMATIC HMI KTP Mobile Panels V15 KTP700, SIMATIC HMI KTP Mobile Panels V15 KTP700F, SIMATIC HMI KTP Mobile Panels V15 KTP900, SIMATIC HMI KTP Mobile Panels V15 KTP900F, SIMATIC HMI KTP Mobile Panels V16 KTP400F, SIMATIC HMI KTP Mobile Panels V16 KTP700, SIMATIC HMI KTP Mobile Panels V16 KTP700F, SIMATIC HMI KTP Mobile Panels V16 KTP900, SIMATIC HMI KTP Mobile Panels V16 KTP900F, SIMATIC WinCC Runtime Advanced, SIMATIC HMI Comfort Outdoor Panels 7" and 15", SIMATIC HMI Comfort 4 -22" Panels, SINAMICS GH150, SINAMICS GL150, SINAMICS GM150, SINAMICS SH150, SINAMICS SL150, SINAMICS SM150, SINAMICS SM150i

Versions

до 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP400F), до 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP700, ), до 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP700F), до 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP900), до 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP900F), до 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP400F), до 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP700), до 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP700F), до 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP900), до 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP900F), до 15.1 Update 6 (SIMATIC WinCC Runtime Advanced), до 16 Update 4 (SIMATIC WinCC Runtime Advanced), до 15.1 Update 6 (SIMATIC HMI Comfort Outdoor Panels 7" and 15"), до 16 Update 4 (SIMATIC HMI Comfort Outdoor Panels 7" and 15"), до 15.1 Update 6 (SIMATIC HMI Comfort 4 -22" Panels), до 16 Update 4 (SIMATIC HMI Comfort 4 -22" Panels), - (SINAMICS GH150), - (SINAMICS GL150), - (SINAMICS GM150), - (SINAMICS SH150), - (SINAMICS SL150), - (SINAMICS SM150), - (SINAMICS SM150i)

Product types

ПО программно-аппаратного средства АСУ ТП, Industrial control system software

Mitigations

Компенсирующие меры: - ограничение доступа к TCP-порту 5900; - ограничение доступа к оборудованию из общедоступных сетей (Интернет); - использование средств межсетевого экранирования; - сегментирование сети с целью ограничения доступа к оборудованию из других подсетей; - использование VPN для организации удаленного доступа. Использование рекомендаций: https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Siemens AG",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP400F), \u0434\u043e 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP700,), \u0434\u043e 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP700F), \u0434\u043e 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP900), \u0434\u043e 15.1 Update 6 (SIMATIC HMI KTP Mobile Panels V15 KTP900F), \u0434\u043e 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP400F), \u0434\u043e 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP700), \u0434\u043e 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP700F), \u0434\u043e 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP900), \u0434\u043e 16 Update 4 (SIMATIC HMI KTP Mobile Panels V16 KTP900F), \u0434\u043e 15.1 Update 6 (SIMATIC WinCC Runtime Advanced), \u0434\u043e 16 Update 4 (SIMATIC WinCC Runtime Advanced), \u0434\u043e 15.1 Update 6 (SIMATIC HMI Comfort Outdoor Panels 7\" and 15\"), \u0434\u043e 16 Update 4 (SIMATIC HMI Comfort Outdoor Panels 7\" and 15\"), \u0434\u043e 15.1 Update 6 (SIMATIC HMI Comfort 4 -22\" Panels), \u0434\u043e 16 Update 4 (SIMATIC HMI Comfort 4 -22\" Panels), - (SINAMICS GH150), - (SINAMICS GL150), - (SINAMICS GM150), - (SINAMICS SH150), - (SINAMICS SL150), - (SINAMICS SM150), - (SINAMICS SM150i)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u041a\u043e\u043c\u043f\u0435\u043d\u0441\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0440\u044b:\n- \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a TCP-\u043f\u043e\u0440\u0442\u0443 5900;\n- \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044e \u0438\u0437 \u043e\u0431\u0449\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 (\u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442);\n- \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f;\n- \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0435\u0442\u0438 \u0441 \u0446\u0435\u043b\u044c\u044e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044e \u0438\u0437 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u0434\u0441\u0435\u0442\u0435\u0439;\n- \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 VPN \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430.\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "11.05.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "29.06.2023",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "28.06.2023",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2023-03468",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-27386, SSA-286838, SSA-538778, ICSA-21-131-12",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, SIMATIC HMI KTP Mobile Panels V15 KTP700,, SIMATIC HMI KTP Mobile Panels V15 KTP700F, SIMATIC HMI KTP Mobile Panels V15 KTP900, SIMATIC HMI KTP Mobile Panels V15 KTP900F, SIMATIC HMI KTP Mobile Panels V16 KTP400F, SIMATIC HMI KTP Mobile Panels V16 KTP700, SIMATIC HMI KTP Mobile Panels V16 KTP700F, SIMATIC HMI KTP Mobile Panels V16 KTP900, SIMATIC HMI KTP Mobile Panels V16 KTP900F, SIMATIC WinCC Runtime Advanced, SIMATIC HMI Comfort Outdoor Panels 7\" and 15\", SIMATIC HMI Comfort 4 -22\" Panels, SINAMICS GH150, SINAMICS GL150, SINAMICS GM150, SINAMICS SH150, SINAMICS SL150, SINAMICS SM150, SINAMICS SM150i",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Siemens SIMATIC \u0438 SINAMICS, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0435\u0440\u0435\u0434 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0441\u0441\u044b\u043b\u043a\u0438 (\u00ab\u0443\u0442\u0435\u0447\u043a\u0430 \u043f\u0430\u043c\u044f\u0442\u0438\u00bb) (CWE-401)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Siemens SIMATIC \u0438 SINAMICS \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e, \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u0418\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf\nhttps://us-cert.cisa.gov/ics/advisories/icsa-21-131-12\nhttps://vuldb.com/?id.174983",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041f\u041e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0410\u0421\u0423 \u0422\u041f, \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0410\u0421\u0423 \u0422\u041f",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-401",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CVE-2021-27386 (GCVE-0-2021-27386)

Vulnerability from cvelistv5 – Published: 2021-05-12 13:18 – Updated: 2026-06-02 19:06

Summary

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.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 19:06 UTC

CWE

CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

siemens icscert root Scorecard

References

3 references

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12	x_refsource_MISC

Impacted products

16 products

Vendor	Product	Version
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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:48:16.446Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
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          },
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
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          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-27386",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
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              "version": "All versions \u003c V16 Update 4"
            }
          ]
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          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "SINAMICS GL150 (with option X30)",
          "vendor": "Siemens",
          "versions": [
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              "status": "affected",
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            }
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          "product": "SINAMICS GM150 (with option X30)",
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          "product": "SINAMICS SM150",
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              "version": "All versions"
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          "product": "SINAMICS SM150i",
          "vendor": "Siemens",
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              "status": "affected",
              "version": "All versions"
            }
          ]
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      ],
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          "tags": [
            "x_refsource_MISC"
          ],
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        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12"
        },
        {
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            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
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        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-27386",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIMATIC HMI Comfort Outdoor Panels V15 7\\\" \u0026 15\\\" (incl. SIPLUS variants)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V15.1 Update 6"
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                    },
                    {
                      "product_name": "SIMATIC HMI Comfort Outdoor Panels V16 7\\\" \u0026 15\\\" (incl. SIPLUS variants)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V16 Update 4"
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                      }
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                    {
                      "product_name": "SIMATIC HMI Comfort Panels V15 4\\\" - 22\\\" (incl. SIPLUS variants)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V15.1 Update 6"
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                        ]
                      }
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                    {
                      "product_name": "SIMATIC HMI Comfort Panels V16 4\\\" - 22\\\" (incl. SIPLUS variants)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V16 Update 4"
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                    },
                    {
                      "product_name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V15.1 Update 6"
                          }
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                      }
                    },
                    {
                      "product_name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V16 Update 4"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC WinCC Runtime Advanced V15",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V15.1 Update 6"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC WinCC Runtime Advanced V16",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V16 Update 4"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS GH150",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS GL150 (with option X30)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS GM150 (with option X30)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS SH150",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS SL150",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS SM120",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS SM150",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS SM150i",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\\\" \u0026 15\\\" (incl. SIPLUS variants) (All versions \u003c V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\\\" \u0026 15\\\" (incl. SIPLUS variants) (All versions \u003c V16 Update 4), SIMATIC HMI Comfort Panels V15 4\\\" - 22\\\" (incl. SIPLUS variants) (All versions \u003c V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\\\" - 22\\\" (incl. SIPLUS variants) (All versions \u003c V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions \u003c V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions \u003c V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions \u003c V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions \u003c 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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-401: Missing Release of Memory after Effective Lifetime"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-27386",
    "datePublished": "2021-05-12T13:18:23.000Z",
    "dateReserved": "2021-02-18T00:00:00.000Z",
    "dateUpdated": "2026-06-02T19:06:47.812Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

ICSA-21-131-12

Vulnerability from csaf_cisa - Published: 2021-05-11 00:00 - Updated: 2025-05-06 06:00

Summary

Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)

Scope

7 vulnerabilities in this advisory.

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2023-03468 (CVE-2021-27386)

CVE-2021-27386 (GCVE-0-2021-27386)

ICSA-21-131-12

Tags

Sightings

Nomenclature

Related by attack behaviour