Executive Summary

Informations
Name CVE-2021-1844 First vendor Publication 2021-04-02
Vendor Cve Last vendor Modification 2021-05-31

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:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1844

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

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

Sources (Detail)

Source Url
CONFIRM https://support.apple.com/kb/HT212323
DEBIAN https://www.debian.org/security/2021/dsa-4923
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
FULLDISC http://seclists.org/fulldisclosure/2021/Apr/55
MISC https://support.apple.com/en-us/HT212220
https://support.apple.com/en-us/HT212221
https://support.apple.com/en-us/HT212222
https://support.apple.com/en-us/HT212223

Alert History

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Date Informations
2021-05-31 09:22:54
  • Multiple Updates
2021-05-23 12:38:32
  • Multiple Updates
2021-05-05 00:22:51
  • Multiple Updates
2021-05-04 14:09:07
  • Multiple Updates
2021-05-04 13:23:38
  • Multiple Updates
2021-04-28 05:22:53
  • Multiple Updates
2021-04-28 00:22:48
  • Multiple Updates
2021-04-27 00:22:48
  • Multiple Updates
2021-04-22 03:13:54
  • Multiple Updates
2021-04-20 01:36:51
  • Multiple Updates
2021-04-10 05:22:54
  • Multiple Updates
2021-04-09 17:23:21
  • Multiple Updates
2021-04-08 21:23:14
  • Multiple Updates
2021-04-04 09:22:51
  • Multiple Updates
2021-04-03 00:22:55
  • First insertion