CVE-2021-31641 | Severity.io

Description

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.

Related CPE's

bf-430_firmware

Vulnerable

bf-431_firmware

Vulnerable

bf-450m_firmware

Vulnerable

semac_s2_firmware

Vulnerable

semac_d1_firmware

Vulnerable

semac_d2_firmware

Vulnerable

semac_d4_firmware

Vulnerable

semac_s3v3_firmware

Vulnerable

semac_d2_n300_firmware

Vulnerable

semac_s1_osdp_firmware

Vulnerable

bf-630_firmware

Vulnerable

bf-631w_firmware

Vulnerable

bf-830w_firmware

Vulnerable

webpass_firmware

Vulnerable

bfminiw_firmware

Vulnerable

References

http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html

ExploitThird Party AdvisoryVDB Entry

https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31641

ExploitThird Party Advisory

https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/#.YLY_lXmSlPY

ExploitThird Party Advisory

https://www.chiyu-tech.com/msg/message-Firmware-update-87.html

Vendor Advisory

http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html

ExploitThird Party AdvisoryVDB Entry

https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31641

ExploitThird Party Advisory

https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/#.YLY_lXmSlPY

ExploitThird Party Advisory

https://www.chiyu-tech.com/msg/message-Firmware-update-87.html

Vendor Advisory

Weaknesses

[email protected]

Primary

CWE-79

CVSS impact metrics

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

6.1 · Medium

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-06-01T15:15:07.680Z

5 years ago

Last modified

2026-06-17T03:52:06.447Z

3 months ago