CVE-2021-30952

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details

CVE-2021-30952

Confirmed

Yes

2026-03-05 00:00 UTC

Timestamps

2026-03-05

2026-03-05

Scope

KEV entry: Apple Multiple Products Integer Overflow or Wraparound Vulnerability | Affected: Apple / Multiple Products | Description: Apple tvOS, macOS, Safari, iPadOS and watchOS contain an integer overflow or wraparound vulnerability due to the processing of maliciously crafted web content that may lead to arbitrary code execution. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-03-26 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/HT212975 ; https://support.apple.com/en-us/HT212976 ; https://support.apple.com/en-us/HT212978 ; https://support.apple.com/en-us/HT212980 ; https://support.apple.com/en-us/HT212982 ; https://nvd.nist.gov/vuln/detail/CVE-2021-30952

References
  • {'id': 'CVE-2021-30952', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-30952'}

52d34700-f464-4549-8a24-570a7e55b247

405284c2-e461-4670-8979-7fd2c9755a60

2026-03-05 20:00 UTC

2026-03-05 20:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-190"
  ],
  "date_added": "2026-03-05",
  "due_date": "2026-03-26",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Multiple Products",
  "vendorProject": "Apple",
  "vulnerabilityName": "Apple Multiple Products Integer Overflow or Wraparound Vulnerability"
}
 -
Export Options
JSON Object JSON API View Full Catalog