PT-2021-19457 · Chiyu Technology · Bf-630+9

Published 2021-06-01 · Updated 2021-06-08 · CVE-2021-31641

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions CHIYU Technology IoT devices, including BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC (affected versions not specified)

Description An unauthenticated XSS issue exists due to a lack of sanitization when the HTTP 404 message is generated. This affects several IoT devices from CHIYU Technology.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-31641

Affected Products

Bf-430

Bf-431

Bf-450M

Bf-630

Bf-Mini-W

Bf631-W

Bf830-W

Chiyu Technology Iot Devices

Semac

Webpass

References · 7

• 🔥 https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31641 · Exploit
• 🔥 http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html · Exploit
• 🔥 https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/#.YLY_lXmSlPY · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-31641 · Security Note
• https://chiyu-tech.com/msg/message-Firmware-update-87.html · Vendor Advisory
• https://t.me/cvenotify/15333 · Telegram Post
• https://t.me/cvenotify/15881 · Telegram Post