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3.5
CVSSv2

CVE-2021-31643

Published: 01/06/2021 Updated: 08/06/2021
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Vulnerability Summary

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.

Vulnerability Trend

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chiyu-tech bf-631 firmware -

chiyu-tech bf-630 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 webpass firmware -

chiyu-tech biosense firmware -

Vendor Advisories

Check Point Security Alerts: CHIYU Multiple Products Cross-Site Scripting (CVE-2021-31643)
Check Point Reference: CPAI-2021-2118 Date Published: 12 Mar 2024 Severity: Medium ...

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://www.chiyu-tech.com/msg/message-Firmware-update-87.htmlhttps://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31643https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.htmlhttps://nvd.nist.govhttps://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.htmlhttps://advisories.checkpoint.com/defense/advisories/public/2024/cpai-2021-2118.html
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
buffer overflowtype confusionserver-side request forgeryCVE-2024-38440CVE-2024-27801CVE-2024-5868CVE-2024-0582CVE-2024-37643CVE-2024-3105
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