Executive Summary

Informations
Name CVE-2021-30795 First vendor Publication 2021-09-08
Vendor Cve Last vendor Modification 2021-09-16

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:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 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 iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30795

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 264
Application 1
Os 167
Os 20
Os 1
Os 49
Os 11

Sources (Detail)

Source Url
MISC https://support.apple.com/en-us/HT212601
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212604
https://support.apple.com/en-us/HT212605
https://support.apple.com/en-us/HT212606

Alert History

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Date Informations
2021-09-23 00:23:03
  • Multiple Updates
2021-09-22 01:44:24
  • Multiple Updates
2021-09-17 00:23:01
  • Multiple Updates
2021-09-16 21:23:19
  • Multiple Updates
2021-09-08 21:23:15
  • First insertion