CVE-2021-30807

Published Oct 19, 2021 CVSS 3.1 · 7.8 High EPSS 28.8% KEV · Listed
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Apple ipados
CPEs cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Vendors & Products Apple ipad Os
Apple ipados
Type Values Removed Values Added
Metrics kev

{'dateAdded': '2021-11-03'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 21, 2025, 11:25 PM
Reserved
Apr 13, 2021, 12:00 AM
Status
Analyzed
Published
Oct 19, 2021, 2:15 PM
Modified
Jun 17, 2026, 3:50 AM