Vulnerability · Published Jun 1, 2021 · Assigned by mitre

CVE-2021-31643

Medium 5.4

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 88.4% (higher than 99.8% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)88.4%top 0.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/ x_refsource_MISC
https://www.chiyu-tech.com/msg/message-Firmware-update-87.html x_refsource_MISC
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31643 x_refsource_MISC
http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html x_refsource_MISC