CVE-2021-31641

An unauthenticated XSS vulnerability exists in several IoT devices from CHIYU Technology, including BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC due to a lack of sanitization when the HTTP 404 message is generated.

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

5.12% chance of exploitation in the next 30 days, 92th percentile

Published

2021-06-01

Updated

2024-08-03

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html
• https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021…

References

• CVE Record
• NVD entry

Related

• CVE-2021-3164
• CVE-2021-31642
• CVE-2021-31630
• CVE-2021-31643
• CVE-2021-3163
• CVE-2021-31645