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-2021-24042 First vendor Publication 2022-01-04
Vendor Cve Last vendor Modification 2025-05-22

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
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:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24042

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 21

Sources (Detail)

https://www.whatsapp.com/security/advisories/2021/
Source Url

Alert History

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Date Informations
2025-05-27 02:58:50
  • Multiple Updates
2025-05-26 21:22:05
  • Multiple Updates
2024-11-28 13:53:33
  • Multiple Updates
2022-09-25 01:58:56
  • Multiple Updates
2022-02-08 12:52:25
  • Multiple Updates
2022-01-15 00:23:00
  • Multiple Updates
2022-01-05 00:22:52
  • First insertion