Executive Summary

Informations
Name CVE-2021-1821 First vendor Publication 2021-10-28
Vendor Cve Last vendor Modification 2021-11-02

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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 None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A logic issue was addressed with improved state management. This issue is fixed in watchOS 7.6, macOS Big Sur 11.5. Visiting a maliciously crafted webpage may lead to a system denial of service.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1821

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 20
Os 11

Sources (Detail)

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

Alert History

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0
1
Date Informations
2021-11-02 17:22:52
  • Multiple Updates
2021-10-29 00:22:49
  • First insertion