Executive Summary

Informations
Name CVE-2021-30818 First vendor Publication 2021-10-28
Vendor Cve Last vendor Modification 2021-12-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network 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 type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30818

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 264
Application 1
Os 3
Os 170
Os 39
Os 1
Os 51
Os 13

Sources (Detail)

Source Url
CONFIRM https://support.apple.com/kb/HT212869
MISC https://support.apple.com/en-us/HT212807
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212816
https://support.apple.com/en-us/HT212819
MLIST http://www.openwall.com/lists/oss-security/2021/12/20/6

Alert History

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Date Informations
2022-08-10 02:06:05
  • Multiple Updates
2022-06-04 01:59:42
  • Multiple Updates
2022-05-25 02:00:28
  • Multiple Updates
2022-04-13 12:56:40
  • Multiple Updates
2022-04-09 01:56:57
  • Multiple Updates
2022-03-29 01:54:47
  • Multiple Updates
2022-03-25 01:54:04
  • Multiple Updates
2022-02-12 12:55:11
  • Multiple Updates
2021-12-22 00:23:08
  • Multiple Updates
2021-12-20 21:23:03
  • Multiple Updates
2021-12-01 21:23:12
  • Multiple Updates
2021-11-24 00:23:08
  • Multiple Updates
2021-11-19 17:23:03
  • Multiple Updates
2021-11-02 17:22:52
  • Multiple Updates
2021-10-29 00:22:49
  • First insertion