Vulnerability · Published Jun 1, 2021 · Assigned by mitre
CVE-2021-31642
Medium 6.5
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 43.7% (higher than 99% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)43.7%top 1.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device.
Affected products (as reported)
References
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31642 x_refsource_MISC
- 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
- http://packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Service.html x_refsource_MISC