Executive Summary

Informations
Name CVE-2021-30733 First vendor Publication 2021-09-08
Vendor Cve Last vendor Modification 2021-09-22

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted font may result in the disclosure of process memory.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30733

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Application 1
Application 1
Os 1
Os 167
Os 175
Os 19
Os 49
Os 11

Sources (Detail)

Source Url
MISC https://support.apple.com/en-us/HT212528
https://support.apple.com/en-us/HT212529
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212533
https://support.apple.com/en-us/HT212600
https://support.apple.com/en-us/HT212603

Alert History

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Date Informations
2021-09-23 00:23:05
  • Multiple Updates
2021-09-22 21:23:28
  • Multiple Updates
2021-09-15 21:23:20
  • Multiple Updates
2021-09-15 00:22:53
  • Multiple Updates
2021-09-08 21:23:16
  • First insertion