CVE-2021-30817

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CVSS 3.1

5.5 medium

EPSS

<1%p48

Published

Oct 28, 2021 (Oct 28, 2021)

Modified

Jun 17, 2026

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.

Vendors: apple
Products: macos
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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