CVE-2021-30817

MEDIUM

macOS Big Sur <11.5 - Info Disclosure

Title source: llm
STIX 2.1

Description

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access data about the accounts the user is using Family Sharing with.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602

Scores

CVSS v3 5.5
EPSS 0.0061
EPSS Percentile 45.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

Status published
Products (1)
apple/macos < 11.5
Published Oct 28, 2021
Tracked Since Feb 18, 2026