Cross-site scripting (XSS) vulnerability on Chiyu BF-630, BF-630W, and BF-660C fingerprint access-control devices allows remote attackers to inject arbitrary web script or HTML via a SCRIPT element.
Conclusion & alert: CVE-2015-2870 is rated Moderate Risk (43.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.91%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-23 | 0.67% | 0.91% | +0.24% |
| 2 | 2025-12-15 | 0.40% | 0.67% | +0.27% |
| 3 | 2025-11-07 | — | 0.40% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://www.kb.cert.org/vuls/id/360431 | Third Party Advisory US Government Resource |