Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-1844 First vendor Publication 2021-04-02
Vendor Cve Last vendor Modification 2024-11-21

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-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 264
Application 1
Os 3
Os 169
Os 21
Os 1
Os 52
Os 13
Os 1
Os 1

Sources (Detail)

http://seclists.org/fulldisclosure/2021/Apr/55
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
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
https://support.apple.com/kb/HT212323
https://www.debian.org/security/2021/dsa-4923
Source Url

Alert History

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Date Informations
2025-05-27 12:55:00
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2024-11-28 13:50:28
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2024-08-02 13:20:23
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2024-08-02 01:24:06
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2024-02-02 02:20:55
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2024-02-01 12:22:29
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2023-11-07 21:35:17
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2023-09-05 13:15:16
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2023-09-05 01:22:04
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2023-09-02 13:13:59
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2023-09-02 01:22:23
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2023-08-23 02:07:00
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2023-08-12 13:19:50
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2023-08-12 01:21:35
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2023-08-11 13:12:26
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2023-08-11 01:22:16
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2023-08-06 13:10:33
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2023-08-06 01:21:20
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2023-08-04 13:10:55
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2023-08-04 01:21:41
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2023-07-14 13:10:56
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2023-07-14 01:21:31
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2023-03-29 02:13:19
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2023-03-28 12:21:46
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2023-01-09 21:27:30
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2022-11-15 01:53:44
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2022-11-03 12:57:57
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2022-10-11 13:03:23
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2022-10-11 01:21:19
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2022-08-09 12:53:05
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2022-07-07 12:51:30
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2022-06-04 01:56:46
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2022-05-25 01:57:05
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2022-04-26 21:23:27
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2022-04-13 01:49:01
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2022-04-09 01:54:06
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2022-03-29 01:52:07
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2022-03-25 01:51:25
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2021-09-23 01:42:16
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2021-09-22 01:42:39
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2021-09-17 01:46:03
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2021-05-31 09:22:54
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2021-05-23 12:38:32
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2021-05-05 00:22:51
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2021-05-04 14:09:07
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2021-05-04 13:23:38
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2021-04-28 05:22:53
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2021-04-28 00:22:48
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2021-04-27 00:22:48
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2021-04-22 03:13:54
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2021-04-20 01:36:51
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2021-04-10 05:22:54
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2021-04-09 17:23:21
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2021-04-08 21:23:14
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2021-04-04 09:22:51
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2021-04-03 00:22:55
  • First insertion