XSS in Chiyu-tech Bf-430
CVE-2021-31641
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…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-31641?
- CVE-2021-31641 is a medium-severity vulnerability in Chiyu-tech Bf-430, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-01.
- How severe is CVE-2021-31641?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-31641 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.