CVE-2021-20591

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Uncontrolled Resource Consumption pada mitsubishielectric r00cpu firmware, mitsubishielectric r01cpu firmware +18 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to prevent legitimate clients from connecting to the MELSOFT transmission port (TCP/IP) by not closing a connection properly, which may lead to a denial of service (DoS) condition.

Rincian

Terbit di NVD

11 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-400: Uncontrolled Resource Consumption

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf advisory vendor
• https://jvn.jp/vu/JVNVU98060539/index.html advisory pihak ketiga