CVE-2021-20597

Katalog CVE

CVSS 9.1 · Critical EPSS 2,2%

Kerentanan Insufficiently Protected Credentials pada mitsubishielectric r08sfcpu firmware, mitsubishielectric r16sfcpu firmware +6 lainnya. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

Insufficiently Protected Credentials vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to the target unauthorizedly by sniffing network traffic and obtaining credentials when registering user information in the target or changing a password.

Rincian

Terbit di NVD

6 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-522: Insufficiently Protected Credentials

EPSS (30 hari)

2,2% peluang dieksploitasi; lebih tinggi dari 82,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-009_en.pdf advisory vendor
• https://jvn.jp/vu/JVNVU98578731/index.html advisory pihak ketiga
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01