Executive Summary

Informations
Name CVE-2021-30755 First vendor Publication 2021-09-08
Vendor Cve Last vendor Modification 2021-09-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network 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

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5. An out-of-bounds read was addressed with improved input validation.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30755

CWE : Common Weakness Enumeration

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

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 23
Os 51
Os 13

Sources (Detail)

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

Alert History

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Date Informations
2023-08-23 02:10:40
  • Multiple Updates
2023-08-12 13:24:07
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2023-08-12 01:22:52
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2023-08-11 13:16:25
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2023-08-11 01:23:37
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2023-08-06 13:14:26
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2023-08-06 01:22:37
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2023-08-04 13:14:48
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2023-08-04 01:22:58
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2023-07-14 13:14:50
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2023-07-14 01:22:46
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2023-03-29 02:17:02
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2023-03-28 12:23:00
  • Multiple Updates
2022-11-15 01:56:54
  • Multiple Updates
2022-11-03 13:01:07
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2022-08-10 02:06:02
  • Multiple Updates
2022-06-04 01:59:40
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2022-05-25 02:00:20
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2022-04-09 01:56:55
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2022-03-29 01:54:45
  • Multiple Updates
2022-03-25 01:54:02
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2021-09-23 00:23:04
  • Multiple Updates
2021-09-22 01:44:23
  • Multiple Updates
2021-09-17 00:23:02
  • Multiple Updates
2021-09-16 00:22:56
  • Multiple Updates
2021-09-08 21:23:16
  • First insertion