KEV Entry

CVE-2021-1789

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-1789

2022-05-04 00:00 UTC

Timestamps

2022-05-04

2022-05-04

Scope

KEVIntel entry: A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina,... | Affected: Apple / iOS and iPadOS, macOS | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-1789', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-1789'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-1789'}

0384750b-11b8-42e7-bd4e-7ebaf704b923

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:13 UTC

2026-06-23 11:13 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2022-05-04T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "iOS and iPadOS, macOS",
  "title": "A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina,...",
  "used_in_malware": "unknown",
  "vendor": "Apple"
}
 -
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