CVE-2021-24042

2022-01-0418:55:08

CWE-122

facebook

www.cve.org

9.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.8%

JSON

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.

CNA Affected

[
  {
    "product": "WhatsApp Desktop",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.2146",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.2146",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WhatsApp for KaiOS",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.2143",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.2143",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WhatsApp Business for iOS",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.21.230",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.21.230",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WhatsApp for iOS",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.21.230",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.21.230",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WhatsApp Business for Android",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.21.23",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.21.23",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WhatsApp for Android",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "v2.21.23",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "v2.21.23",
        "versionType": "custom"
      }
    ]
  }
]

References

www.whatsapp.com/security/advisories/2021/