CVE-2021-30684

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A remote attacker may cause an unexpected application termination or arbitrary code execution.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
Apple	macOS	>= unspecified, < 11.4
Apple	macOS	>= unspecified, < 2021

References

https://support.apple.com/en-us/HT212529Vendor Advisory
https://support.apple.com/en-us/HT212530Vendor Advisory
https://support.apple.com/en-us/HT212529Vendor Advisory
https://support.apple.com/en-us/HT212530Vendor Advisory

Timeline

Published: Sep 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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