KEV Entry

CVE-2021-31250

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-31250

2026-02-16 01:00 CET

Timestamps

2026-02-16

2026-02-16

Scope

Multiple storage XSS vulnerabilities were discovered on BF-430, BF-431 and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack... | Affected: CHIYU Technology / BF-430, BF-431, BF-450M TCP/IP Converter | CVSS: 5.4 (MEDIUM) | EPSS: 0.79605 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-31250', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-31250'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-31250'}

23099d20-b5db-4fa8-8677-7f0bf19b2a09

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-02-16T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-31250",
  "cvss_estimated": false,
  "cvss_score": 5.4,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.99597,
  "epss_score": 0.79605,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "BF-430, BF-431, BF-450M TCP/IP Converter",
  "title": "Multiple storage XSS vulnerabilities were discovered on BF-430, BF-431 and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack...",
  "used_in_malware": "unknown",
  "vendor": "CHIYU Technology",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-31250"
}
 -
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