KEV Entry

CVE-2021-30952

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-30952

2026-06-01 13:38 CEST

Timestamps

2026-06-01

2026-06-01

Scope

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and... | Affected: Apple / watchOS, iOS and iPadOS, macOS | CVSS: 7.8 (HIGH) | EPSS: 0.06964 | Used in malware: unknown | Listed 1 day ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-30952', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-30952'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-30952'}

0c8a8519-2017-4277-a1e5-d5927e9d569f

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T11:38:00.160Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cve_id": "CVE-2021-30952",
  "cvss_estimated": false,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.9393,
  "epss_score": 0.06964,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "watchOS, iOS and iPadOS, macOS",
  "title": "An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and...",
  "used_in_malware": "unknown",
  "vendor": "Apple",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-30952"
}
 -
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