CVE-2021-30784

HIGH

macOS < 11.5 - Local Code Execution on Apple T2 Security Chip

Title source: llm
STIX 2.1

Description

Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212603
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212600
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602

Scores

CVSS v3 7.8
EPSS 0.0033
EPSS Percentile 24.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (4)
apple/mac_os_x 10.14.6 (20 CPE variants)
apple/mac_os_x 10.15.7 (9 CPE variants)
apple/mac_os_x 10.14.0 - 10.14.6
apple/macos < 11.5
Published Sep 08, 2021
Tracked Since Feb 18, 2026