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6.1
CVSSv3

CVE-2021-31641

Published: 01/06/2021 Updated: 08/06/2021
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Summary

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.

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chiyu-tech bf-430_firmware -

chiyu-tech bf-431_firmware -

chiyu-tech bf-450m_firmware -

chiyu-tech semac_s2_firmware -

chiyu-tech semac_d1_firmware -

chiyu-tech semac_d2_firmware -

chiyu-tech semac_d4_firmware -

chiyu-tech semac_s3v3_firmware -

chiyu-tech semac_d2_n300_firmware -

chiyu-tech semac_s1_osdp_firmware -

chiyu-tech bf-630_firmware -

chiyu-tech bf-631w_firmware -

chiyu-tech bf-830w_firmware -

chiyu-tech webpass_firmware -

chiyu-tech bfminiw_firmware -

Exploits

Exploit DB: CHIYU IoT Cross Site Scripting
CHIYU IoT devices suffer from multiple cross site scripting vulnerabilities Versions affected include BF-430, BF-431, BF-450M, BF-630, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC ...

References

CWE-79https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/#.YLY_lXmSlPYhttps://www.chiyu-tech.com/msg/message-Firmware-update-87.htmlhttps://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31641http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.htmlhttps://nvd.nist.govhttps://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2020-17519open redirectCVE-2024-21683cache poisoningCVE-2021-47524CVE-2021-47521CVE-2024-5229CVE-2021-47560local
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