AUGUST 5, 2026
Live Feed
Back to database
Case File

CVE-2021-31642

MEDIUM · CVSS 6.5 EPSS 43.67% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 43.7% probability of exploitation in the next 30 days. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-31642
Severity
MEDIUM
CVSS
6.5
EPSS
43.67%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)