Executive Summary

Informations
Name CVE-2021-1857 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: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

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1857

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-665 Improper Initialization

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 31
Application 338
Application 1
Application 1
Os 1
Os 167
Os 41
Os 17
Os 49
Os 11

Sources (Detail)

Source Url
MISC https://support.apple.com/en-us/HT212317
https://support.apple.com/en-us/HT212319
https://support.apple.com/en-us/HT212321
https://support.apple.com/en-us/HT212323
https://support.apple.com/en-us/HT212324
https://support.apple.com/en-us/HT212325
https://support.apple.com/en-us/HT212326
https://support.apple.com/en-us/HT212327

Alert History

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Date Informations
2021-09-23 00:23:02
  • Multiple Updates
2021-09-22 01:42:39
  • Multiple Updates
2021-09-17 00:23:00
  • Multiple Updates
2021-09-08 21:23:15
  • First insertion