CVE-2021-31643

Katalog CVE

CVSS 5.4 · Medium EPSS 88,4%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada chiyu-tech bf-631 firmware, chiyu-tech bf-630 firmware +9 lainnya. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

An XSS vulnerability exists in several IoT devices from CHIYU Technology, including SEMAC, Biosense, BF-630, BF-631, and Webpass due to a lack of sanitization on the component if.cgi - username parameter.

Rincian

Terbit di NVD

1 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

88,4% peluang dieksploitasi; lebih tinggi dari 99,7% 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
• http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html exploit · advisory pihak ketiga · vdb entry
• https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31643 exploit · advisory pihak ketiga
• https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ exploit · advisory pihak ketiga