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CVE-2020-1894

Estado: ModificadaAlta (8.8)—

A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to v2.20.30 could have allowed arbitrary code execution when playing a specially crafted push to talk message.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Whatsapp — WhatsappWhatsapp — Whatsapp Business

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-1894",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve-assign@fb.com",
      "affectedData": [
        {
          "vendor": "Facebook",
          "product": "WhatsApp Android",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.35"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.35",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp Business for Android",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.20"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.20",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp iPhone",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.30"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.30",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp Business for iPhone",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.30"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.30",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-03T21:15:10.813",
  "references": [
    {
      "url": "https://www.whatsapp.com/security/advisories/2020",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-assign@fb.com"
    },
    {
      "url": "https://www.whatsapp.com/security/advisories/2020",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-assign@fb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to v2.20.30 could have allowed arbitrary code execution when playing a specially crafted push to talk message."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de escritura de pila en WhatsApp para Android versiones anteriores a v2.20.35, WhatsApp Business para Android versiones anteriores a v2.20.20, WhatsApp para iPhone versiones anteriores a v2.20.30 y WhatsApp Business para iPhone versiones anteriores a v2.20.30, podría haber permitido una ejecución de código arbitraria cuando se reproduce un mensaje push to talk especialmente diseñado"
    }
  ],
  "lastModified": "2026-06-17T03:02:34.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8E0D3451-852D-4A69-876D-CF84C5D3EECB",
              "versionEndExcluding": "2.20.30"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "73B69D25-61DE-4B60-8E5F-942150050FE7",
              "versionEndExcluding": "2.20.35"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2B1D57D-4AF1-4405-A321-BF9A4B78C650",
              "versionEndExcluding": "2.20.20"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "85034E27-0EFC-4B02-BD1C-ED77E3F4529E",
              "versionEndExcluding": "2.20.30"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com"
}