CVE-2021-20863

Katalog CVE

CVSS 8.0 · High EPSS 0,86%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') pada elecom wrc-1167gst2 firmware, elecom wrc-1167gst2a firmware +12 lainnya. Skor CVSS 3.1 8.0 (High) menurut NVD.

Deskripsi (NVD)

OS command injection vulnerability in ELECOM routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attackers to execute an arbitrary OS command with the root privilege via unspecified vectors.

Rincian

Terbit di NVD

1 Desember 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

EPSS (30 hari)

0,86% peluang dieksploitasi; lebih tinggi dari 57,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.elecom.co.jp/news/security/20211130-01/ advisory vendor
• https://jvn.jp/en/vu/JVNVU94527926/index.html advisory pihak ketiga