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cveFacebookCVE-2021-24042
HistoryJan 04, 2022 - 7:15 p.m.

CVE-2021-24042

2022-01-0419:15:14
CWE-787
CWE-122
facebook
web.nvd.nist.gov
3247
cve-2021-24042
whatsapp
android
ios
kaios
security
vulnerability
out-of-bounds write
nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

44.1%

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.

Affected configurations

Nvd
Node
whatsappwhatsappRange<2.21.23android-
OR
whatsappwhatsappRange<2.21.23businessandroid
OR
whatsappwhatsappRange<2.21.230iphone_os-
OR
whatsappwhatsappRange<2.21.230businessiphone_os-
OR
whatsappwhatsappRange<2.2143kaios
OR
whatsappwhatsappRange<2.2146desktop-
VendorProductVersionCPE
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:-:*
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:android:*:*
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:-:*
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:iphone_os:-:*
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:kaios:*:*
whatsappwhatsapp*cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:-:*:*

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"
      }
    ]
  }
]

Related

nvd 1
cvelist 1
prion 1
nvd
nvd
CVE-2021-24042
2022-01-04 19:15:14
cvelist
cvelist
CVE-2021-24042
2022-01-04 18:55:08
prion
prion
Out-of-bounds
2022-01-04 19:15:00

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

44.1%

JSON
Related for CVE-2021-24042
nvd1cvelist1prion1