CVE-2021-30827

HIGH

macOS - Privilege Escalation

Title source: llm
STIX 2.1

Description

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 7.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-281
Status published
Products (3)
apple/mac_os_x 10.15.7 (9 CPE variants)
apple/mac_os_x 10.15 - 10.15.6
apple/macos 11.0 - 11.6
Published Oct 19, 2021
Tracked Since Feb 18, 2026