CVE-2021-24026

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write.
Overview
  • CVE ID
  • CVE-2021-24026
  • Assigner
  • cve-assign@fb.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-06T17:15:12
  • Last Modified Date
  • 2021-04-15T14:35:17
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:* 1 OR 2.21.3
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:* 1 OR 2.21.3
cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:* 1 OR 2.21.3
cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:* 1 OR 2.21.32
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.whatsapp.com/security/advisories/2021/ Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24026
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24026
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:41 Added to TrackCVE
2022-12-06 01:16:31 2021-04-06T17:15Z 2021-04-06T17:15:12 CVE Published Date updated
2022-12-06 01:16:31 2021-04-15T14:35:17 CVE Modified Date updated
2022-12-06 01:16:31 Analyzed Vulnerability Status updated