KEV Entry

CVE-2021-21973

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-21973

2022-03-07 00:00 UTC

Timestamps

2022-03-07

2022-03-07

Scope

KEVIntel entry: The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server... | Affected: VMware / VMware vCenter Server, VMware Cloud Foundation | CVSS: 5.3 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-21973', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-21973'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-21973'}

24f39bf7-6b2b-4b14-b20d-3dba0c834bc2

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:05 UTC

2026-06-23 14:05 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2022-03-07T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 5.3,
  "cvss_severity": "MEDIUM",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "VMware vCenter Server, VMware Cloud Foundation",
  "title": "The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server...",
  "used_in_malware": "unknown",
  "vendor": "VMware"
}
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