CVE-2021-31252

An open redirect vulnerability exists in BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, and SEMAC devices from CHIYU Technology that can be exploited by sending a link that has a specially crafted URL to convince the user to click on it.

CVSS v3.1 NVD

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

CVSS v2.0 NVD

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

EPSS

28.55% chance of exploitation in the next 30 days, 98th percentile

Published

2021-06-04

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021…

Security advisories

• https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
• https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-at…

References

• CVE Record
• NVD entry