CVE-2021-24042

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-24042
  • Assigner
  • cve-assign@fb.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-04T19:15:14
  • Last Modified Date
  • 2022-01-14T19:37:51
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 2.21.23
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:android:*:* 1 OR 2.21.23
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:-:* 1 OR 2.21.230
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:iphone_os:-:* 1 OR 2.21.230
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:kaios:*:* 1 OR 2.2143
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:-:*:* 1 OR 2.2146
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
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/ Not Applicable Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24042
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24042
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:22 Added to TrackCVE
2022-12-06 05:41:22 2022-01-04T19:15Z 2022-01-04T19:15:14 CVE Published Date updated
2022-12-06 05:41:22 2022-01-14T19:37:51 CVE Modified Date updated
2022-12-06 05:41:22 Analyzed Vulnerability Status updated