CVE-2020-9959

LowCVSS 2.4/10Last modified Jun 17, 2026

Description

A lock screen issue allowed access to messages on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.0 and iPadOS 14.0. A person with physical access to an iOS device may be able to view notification contents from the lockscreen.

Metrics

CVSS 3.1 2.4/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-667

Affected software

No affected versions have been published.

Timeline

Published
Oct 16, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-99607.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11CVE-2020-99617.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 CVE-2020-99627.8A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, SCVE-2020-99635.5The issue was addressed with improved handling of icon caches. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A maliCVE-2020-99645.5A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.0 and iPadOS 14.0. A local user mayCVE-2020-99657.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOSCVE-2020-99667.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOSCVE-2020-99677.8Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macCVE-2020-99685.5A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.7, tvOS 14.0, CVE-2020-99695.5An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOSCVE-2020-99717.8A logic issue was addressed with improved validation. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big SurCVE-2020-99727.8A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 14.0 and iPadOS 14.0. Processing a malicious
CVE-2020-9959: Low severity, CVSS 2.4 | Vulnix