KEV Entry

CVE-2021-22017

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-22017

2026-06-30 00:00 UTC

Characteristics

53.0

Timestamps

2026-04-21

2026-04-21

2026-06-30

Scope

Affected: VMware / vCenter Server | Class: other-software | Severity: Medium (CVSS 5.3) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-06-30: 1

References
  • {'id': 'CVE-2021-22017', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-22017'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

4df2d3ab-8145-4d6b-a9e7-fa45d374ab54

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": 1,
  "7d_avg": 1,
  "90d_avg": 0,
  "cisa_kev": "yes",
  "class": "other-software",
  "connections": 1,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "no",
  "observation_date": "2026-06-30",
  "product": "vCenter Server",
  "type": "http-scan",
  "vendor": "VMware",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 5.3,
  "vulnerability_severity": "Medium"
}
 -
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