Executive Summary

Informations
Name CVE-2020-9996 First vendor Publication 2020-12-08
Vendor Cve Last vendor Modification 2023-01-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate privileges.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9996

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 3
Os 169
Os 211

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2020/Dec/32
MISC https://support.apple.com/en-us/HT211850
https://support.apple.com/en-us/HT211931

Alert History

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Date Informations
2024-02-02 02:20:22
  • Multiple Updates
2024-02-01 12:22:09
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2023-09-05 13:14:43
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2023-09-05 01:21:44
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2023-09-02 13:13:27
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2023-09-02 01:22:03
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2023-08-22 13:05:47
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2023-03-28 12:21:27
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2023-01-09 21:27:31
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2022-10-11 01:21:02
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2022-01-13 01:45:35
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2022-01-06 01:45:42
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2022-01-05 01:45:21
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2021-12-28 01:49:53
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2021-11-02 01:44:43
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2021-10-21 01:43:30
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2021-09-16 01:42:23
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2021-09-15 01:42:05
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2021-05-26 01:38:44
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2021-05-23 12:38:19
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2021-05-05 01:41:44
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2021-05-04 14:06:22
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2021-04-22 03:11:27
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2021-04-20 01:36:41
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2021-04-10 01:36:02
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2021-04-09 01:36:27
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2021-04-08 01:36:13
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2021-03-26 12:36:37
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2020-12-16 00:22:54
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2020-12-10 05:22:55
  • Multiple Updates
2020-12-09 00:23:08
  • First insertion