KEV Entry

CVE-2021-21983

Known Exploited Vulnerability Entry External Catalog

Entry Details
Confirmed Exploited

CVE-2021-21983

2026-08-12 04:21 UTC


Timestamps

2026-08-12

2026-08-12


Scope

Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983) prior to 8.4 may allow an authenticated malicious actor with... | Affected: VMware / vRealize Operations Manager | CVSS: 6.5 (MEDIUM) | EPSS: 0.68557 | Used in malware: unknown | Not yet in CISA KEV: True


References
  • {'id': 'CVE-2021-21983', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-21983'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/CVE-2021-21983'}

ac9c87c3-9462-4c96-bee4-a6e99eb210ee

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-08-12 05:00 UTC

2026-08-12 05:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details
{
  "added_date": "2026-08-12T04:21:08.411Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 6.5,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.99272,
  "epss_score": 0.68557,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "vRealize Operations Manager",
  "title": "Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983) prior to 8.4 may allow an authenticated malicious actor with...",
  "used_in_malware": "unknown",
  "vendor": "VMware"
}
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