CVE-2021-20844

Katalog CVE

CVSS 5.7 · Medium EPSS 0,96%

Kerentanan Improper Encoding or Escaping of Output pada yamaha rtx830 firmware, yamaha nvr510 firmware +6 lainnya. Skor CVSS 3.1 5.7 (Medium) menurut NVD.

Deskripsi (NVD)

Improper neutralization of HTTP request headers for scripting syntax vulnerability in the Web GUI of RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, and RTX1210 Rev.14.01.38 and earlier allows a remote authenticated attacker to obtain sensitive information via a specially crafted web page.

Rincian

Terbit di NVD

24 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-116: Improper Encoding or Escaping of Output

EPSS (30 hari)

0,96% peluang dieksploitasi; lebih tinggi dari 60,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html mitigasi · advisory vendor
• https://business.ntt-east.co.jp/topics/2021/11_09.html mitigasi · advisory vendor
• https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html mitigasi · advisory vendor
• https://jvn.jp/en/vu/JVNVU91161784/index.html mitigasi · advisory pihak ketiga