KEV Entry

CVE-2021-21978

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-21978

2025-04-22 00:00 UTC

Timestamps

2025-04-22

2025-04-22

Scope

KEVIntel entry: VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of... | Affected: VMware / VMware View Planner | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-21978', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-21978'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-21978'}

8fa30232-88f7-46aa-b181-864ceae3b6d4

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:04 UTC

2026-06-23 14:04 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2025-04-22T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "VMware View Planner",
  "title": "VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of...",
  "used_in_malware": "unknown",
  "vendor": "VMware"
}
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