CVE-2021-31643

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.

CVSS v3.1

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

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

88.45% chance of exploitation in the next 30 days, 100th 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-2021-31642
• CVE-2021-31645
• CVE-2021-31641
• CVE-2021-3165
• CVE-2021-3164
• CVE-2021-31650