CVE-2021-30975

HIGH

macOS < 10.15.7 and 11.0-11.6.2 - Gatekeeper Bypass via Malicious OSAX Scripting Addition

Title source: llm
STIX 2.1

Description

This issue was addressed by disabling execution of JavaScript when viewing a scripting dictionary. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious OSAX scripting addition may bypass Gatekeeper checks and circumvent sandbox restrictions.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981

Scores

CVSS v3 8.6
EPSS 0.0180
EPSS Percentile 75.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-863
Status published
Products (3)
apple/mac_os_x 10.15.7 (10 CPE variants)
apple/mac_os_x 10.15 - 10.15.7
apple/macos 11.0 - 11.6.2
Published Aug 24, 2021
Tracked Since Feb 18, 2026