VULNERABILITY INTELLIGENCE
CVE-2020-9991
CVSS score7.5 HIGH
EPSS probability2.82%
CISA KEVNot currently listed
Published2020-12-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Primary references
- product-security@apple.com — Mailing List, Third Party Advisory
- product-security@apple.com
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory