KEV Entry

CVE-2021-31250

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-31250

2026-06-30 00:00 UTC

Characteristics

54.0

Timestamps

2024-04-08

2024-04-08

2026-06-30

Scope

Affected: CHIYU Technology / CHIYU BF-430, BF-431 and BF-450M | Class: other-software | Severity: Medium (CVSS 5.4) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-06-30: 1

References
  • {'id': 'CVE-2021-31250', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-31250'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

35c9afd3-c8d0-4e5e-a45f-82801ce043a6

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-06-30 09:23 UTC

2026-07-01 05:22 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "no",
  "class": "other-software",
  "connections": 1,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2026-06-30",
  "product": "CHIYU BF-430, BF-431 and BF-450M",
  "type": "http-scan",
  "vendor": "CHIYU Technology",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 5.4,
  "vulnerability_severity": "Medium"
}
 -
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