CVE-2021-31249

Katalog CVE

CVSS 6.5 · Medium EPSS 18,0%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada chiyu-tech bf-430 firmware, chiyu-tech bf-431 firmware +1 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.

Rincian

Terbit di NVD

4 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

EPSS (30 hari)

18,0% peluang dieksploitasi; lebih tinggi dari 97,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.chiyu-tech.com/msg/message-Firmware-update-87.html advisory vendor
• https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249 exploit · advisory pihak ketiga
• https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ exploit · advisory pihak ketiga