FKIE_CVE-2021-24035

Vulnerability from fkie_nvd - Published: 2021-06-11 04:15 - Updated: 2025-09-03 17:36
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.
References
cve-assign@fb.comhttps://www.whatsapp.com/security/advisories/2021/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.whatsapp.com/security/advisories/2021/Vendor Advisory
Impacted products
Vendor Product Version
whatsapp whatsapp *
whatsapp whatsapp_business *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:-:android:*:*",
              "matchCriteriaId": "10695AFD-3693-4566-A016-BE769BA53E5D",
              "versionEndExcluding": "2.21.8.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "C667F31C-A63A-4459-9D2E-3007116C89D1",
              "versionEndExcluding": "2.21.8.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files."
    },
    {
      "lang": "es",
      "value": "Una falta de comprobaci\u00f3n de los nombres de archivo al descomprimir archivos anterior a versi\u00f3n de WhatsApp para Android versi\u00f3n v2.21.8.13 y WhatsApp Business para Android versi\u00f3n v2.21.8.13, podr\u00eda haber permitido ataques de salto de rutas que sobrescribieran los archivos de WhatsApp"
    }
  ],
  "id": "CVE-2021-24035",
  "lastModified": "2025-09-03T17:36:53.303",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-11T04:15:08.887",
  "references": [
    {
      "source": "cve-assign@fb.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.whatsapp.com/security/advisories/2021/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.whatsapp.com/security/advisories/2021/"
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-23"
        }
      ],
      "source": "cve-assign@fb.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.