CVE-2021-30678

CRITICAL

macOS <11.4 - Remote Code Execution or Application Termination

Title source: manual
STIX 2.1

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, Security Update 2021-004 Mojave. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212530
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212531

Scores

CVSS v3 9.8
EPSS 0.0331
EPSS Percentile 87.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (4)
apple/mac_os_x 10.14.6 (19 CPE variants)
apple/mac_os_x 10.15.7 (8 CPE variants)
apple/mac_os_x 10.14 - 10.14.5
apple/macos 11.0 - 11.4
Published Sep 08, 2021
Tracked Since Feb 18, 2026