CVE-2020-9991

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CVSS 3.1

7.5 high

EPSS

3%p86

Published

Dec 8, 2020 (Dec 8, 2020)

Modified

Jun 17, 2026

Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.

Vendors: apple
Products: icloud, ipados, iphone os, mac os x, tvos, watchos
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.8%)

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