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CVE-2021-30784 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://support.apple.com/en-us/HT212602	CVE	Release NotesVendor Advisory
https://support.apple.com/kb/HT212600	CVE	Vendor Advisory
https://support.apple.com/kb/HT212603	CVE	Vendor Advisory
https://support.apple.com/en-us/HT212602	[email protected]	Release NotesVendor Advisory
https://support.apple.com/kb/HT212600	[email protected]	Vendor Advisory
https://support.apple.com/kb/HT212603	[email protected]	Vendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
apple mac os x	>= 10.14.0, < 10.14.6 >= 10.15, < 10.15.7 10.14.6 - 10.14.6 security_update_2019-001 10.14.6 security_update_2019-002
CPE cpe:2.3:o:apple:mac_os_x:::::::: cpe:2.3:o:apple:mac_os_x:10.14.6:-:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:::::: cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:-:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:::::: cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:::::: Remediation No remediation found in references.
apple macos	< 11.5
CPE cpe:2.3:o:apple:macos:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 11, 2022	Modified Analysis	[email protected]
Jan 20, 2022	CVE Modified	[email protected]
Sep 21, 2021	Initial Analysis	[email protected]