CVE-2020-9991 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://support.apple.com/en-us/HT211847 https://support.apple.com/en-us/HT211844 https://support.apple.com/en-us/HT211843 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211850 http://seclists.org/fulldisclosure/2020/Dec/32 https://support.apple.com/kb/HT211846 https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5