Vulnerability-Lookup

BDU:2024-03608 (CVE-2021-20598)

Vulnerability from fstec – Published: 2024-05-13 – Updated: 2024-05-13 – View on bdu.fstec.ru No remediation information

Title

Уязвимость микропрограммного обеспечения модулей программируемых логических контроллеров MELSEC iQ-R Series Safety CPU и Series SIL2 Process CPU, связанная с чрезмерно ограничительным механизмом блокировки учётных данных пользователя, позволяющая нарушителю заблокировать учетную запись пользователя

Summary

Уязвимость микропрограммного обеспечения модулей программируемых логических контроллеров MELSEC iQ-R Series Safety CPU и Series SIL2 Process CPU связана с чрезмерно ограничительным механизмом блокировки учётных данных пользователя. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, заблокировать учетную запись пользователя путем последовательного ввода известного имени пользователя и неправильного пароля

Severity

5.0 (Medium) CVSS 2.0


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

5.3 (Medium) CVSS 3.0


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

Class

Architecture vulnerability

Status

Confirmed by the vendor

Exploitation

Authentication bypass, Functionality abuse

Incidents

Being clarified

Remediation

Being clarified

CWE

CWE-287 - Неправильная аутентификация
CWE-645 - Чрезмерно ограничительный механизм блокировки учетных данных пользователя

Aliases

CVE-2021-20598, ICSA-21-250-01

References

4 references

URL
https://jvn.jp/vu/JVNVU98578731/index.html
https://www.cisa.gov/news-events/ics-advisories/icsa-21-250-01
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf
https://www.cybersecurity-help.cz/vdb/SB2021090804

Impacted products

8 products from 1 vendor

Vendors

Mitsubishi Electric Corporation

Products

MELSEC iQ-R Series Safety CPU R08SFCPU, MELSEC iQ-R Series Safety CPU R16SFCPU, MELSEC iQ-R Series Safety CPU R32SFCPU, MELSEC iQ-R Series Safety CPU R120SFCPU, MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU

Versions

- (MELSEC iQ-R Series Safety CPU R08SFCPU), - (MELSEC iQ-R Series Safety CPU R16SFCPU), - (MELSEC iQ-R Series Safety CPU R32SFCPU), - (MELSEC iQ-R Series Safety CPU R120SFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU)

Product types

ПО программно-аппаратного средства АСУ ТП

Mitigations

Компенсирующие меры: - ограничение доступа к оборудованию из общедоступных сетей (Интернет); - использование средств межсетевого экранирования и средств обнаружения и предотвращения вторжений (IDS/IPS) для отслеживания подключений к устройству; - использование функции IP-фильтра для блокирования доступа с ненадежных хостов; - сегментирование сети с целью ограничения доступа к оборудованию из других подсетей; - использование виртуальных частных сетей для организации удаленного доступа (VPN).

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
  "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": "Mitsubishi Electric Corporation",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "- (MELSEC iQ-R Series Safety CPU R08SFCPU), - (MELSEC iQ-R Series Safety CPU R16SFCPU), - (MELSEC iQ-R Series Safety CPU R32SFCPU), - (MELSEC iQ-R Series Safety CPU R120SFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU), - (MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU)",
  "\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 \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 \u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0432\u0442\u043e\u0440\u0436\u0435\u043d\u0438\u0439 (IDS/IPS) \u0434\u043b\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439 \u043a \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0443;\n- \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 IP-\u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0441 \u043d\u0435\u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0445 \u0445\u043e\u0441\u0442\u043e\u0432;\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 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 \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 (VPN).",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "05.08.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "13.05.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "13.05.2024",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2024-03608",
  "\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-2021-20598, ICSA-21-250-01",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442",
  "\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 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "MELSEC iQ-R Series Safety CPU R08SFCPU, MELSEC iQ-R Series Safety CPU R16SFCPU, MELSEC iQ-R Series Safety CPU R32SFCPU, MELSEC iQ-R Series Safety CPU R120SFCPU, MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU, MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU",
  "\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 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 MELSEC iQ-R Series Safety CPU \u0438 Series SIL2 Process CPU, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u0447\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u043e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u043c \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0443\u0447\u0451\u0442\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u0447\u0435\u0442\u043d\u0443\u044e \u0437\u0430\u043f\u0438\u0441\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f",
  "\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\u0430\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f (CWE-287), \u0427\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u043e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0443\u0447\u0435\u0442\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f (CWE-645)",
  "\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 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 MELSEC iQ-R Series Safety CPU \u0438 Series SIL2 Process CPU \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0447\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u043e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u043c \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0443\u0447\u0451\u0442\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \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\u0435\u043d\u043d\u043e, \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u0447\u0435\u0442\u043d\u0443\u044e \u0437\u0430\u043f\u0438\u0441\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u0443\u0442\u0435\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0433\u043e \u0438\u043c\u0435\u043d\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0430\u0440\u043e\u043b\u044f",
  "\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": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0417\u043b\u043e\u0443\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u043e\u043c",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://jvn.jp/vu/JVNVU98578731/index.html\nhttps://www.cisa.gov/news-events/ics-advisories/icsa-21-250-01\nhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf\nhttps://www.cybersecurity-help.cz/vdb/SB2021090804",
  "\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",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-287, CWE-645",
  "\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": "\u0421\u0440\u0435\u0434\u043d\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 5)\n\u0421\u0440\u0435\u0434\u043d\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 5,3)"
}

CVE-2021-20598 (GCVE-0-2021-20598)

Vulnerability from cvelistv5 – Published: 2021-08-06 16:53 – Updated: 2024-08-03 17:45

Summary

Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.

Severity

No CVSS data available.

CWE

Overly Restrictive Account Lockout Mechanism

Assigner

Mitsubishi CNA under the jpcert root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://jvn.jp/vu/JVNVU98578731/index.html	x_refsource_MISC
https://www.mitsubishielectric.com/en/psirt/vulne…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	MELSEC iQ-R series CPU modules R08/16/32/120SFCPU; R08/16/32/120PSFCPU	Affected: all versions

Show details on NVD website

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{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:44.713Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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    "cna": {
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        }
      ],
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      "providerMetadata": {
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        "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
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          "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
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        "affects": {
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ICSA-21-250-01

Vulnerability from csaf_cisa - Published: 2021-09-07 06:00 - Updated: 2024-04-18 06:00

Summary

Mitsubishi Electric MELSEC iQ-R Series

Scope

3 vulnerabilities in this advisory.

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
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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:2024-03608 (CVE-2021-20598)

CVE-2021-20598 (GCVE-0-2021-20598)

ICSA-21-250-01

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