Executive Summary

Informations
Name CVE-2020-9991 First vendor Publication 2020-12-08
Vendor Cve Last vendor Modification 2020-12-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9991

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 31
Application 2
Application 1
Os 1
Os 205
Os 132
Os 69
Os 33

Sources (Detail)

Source Url
CONFIRM https://support.apple.com/kb/HT211846
FULLDISC http://seclists.org/fulldisclosure/2020/Dec/32
MISC 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

Alert History

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Date Informations
2020-12-16 05:22:52
  • Multiple Updates
2020-12-16 00:22:54
  • Multiple Updates
2020-12-10 05:22:54
  • Multiple Updates
2020-12-09 17:22:59
  • Multiple Updates
2020-12-09 05:23:00
  • First insertion