CVE-2021-24042 (GCVE-0-2021-24042)
Vulnerability from cvelistv5
Published
2022-01-04 18:55
Modified
2025-05-22 18:36
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow ()
Summary
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.
References
Impacted products
Vendor Product Version
Facebook WhatsApp Desktop Version: unspecified   < v2.2146
Patch: v2.2146   < unspecified
 Create a notification for this product.
   Facebook WhatsApp for KaiOS Version: unspecified   < v2.2143
Patch: v2.2143   < unspecified
 Create a notification for this product.
   Facebook WhatsApp Business for iOS Version: unspecified   < v2.21.230
Patch: v2.21.230   < unspecified
 Create a notification for this product.
   Facebook WhatsApp for iOS Version: unspecified   < v2.21.230
Patch: v2.21.230   < unspecified
 Create a notification for this product.
   Facebook WhatsApp Business for Android Version: unspecified   < v2.21.23
Patch: v2.21.23   < unspecified
 Create a notification for this product.
   Facebook WhatsApp for Android Version: unspecified   < v2.21.23
Patch: v2.21.23   < unspecified
 Create a notification for this product.
Show details on NVD website

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\"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-24042\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-22T17:29:44.436259Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-22T17:30:56.189Z\"}}]}",
      "cveMetadata": "{\"assignerOrgId\": \"4fc57720-52fe-4431-a0fb-3d2c8747b827\", \"assignerShortName\": \"facebook\", \"cveId\": \"CVE-2021-24042\", \"datePublished\": \"2022-01-04T18:55:08.000Z\", \"dateReserved\": \"2021-01-13T00:00:00.000Z\", \"dateUpdated\": \"2025-05-22T18:36:53.143Z\", \"state\": \"PUBLISHED\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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