Vulnerability CVE-2020-9991
Published: 2020-12-08

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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Apple -> Icloud 
Apple -> Ipad os 
Apple -> Iphone os 
Apple -> Mac os x 
Apple -> TVOS 
Apple -> Watchos 

 References:
http://seclists.org/fulldisclosure/2020/Dec/32
https://support.apple.com/en-us/HT211843
https://support.apple.com/en-us/HT211844
https://support.apple.com/en-us/HT211847
https://support.apple.com/en-us/HT211850
https://support.apple.com/en-us/HT211931
https://support.apple.com/kb/HT211846
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