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CVE-2020-1891

Estado: ModificadaCrítica (9.8)—

A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.

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-2020-1891",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve-assign@fb.com",
      "affectedData": [
        {
          "vendor": "Facebook",
          "product": "WhatsApp Android",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.17"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.17",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp Business for Android",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.7"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.7",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp iPhone",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.20"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.20",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp Business for iPhone",
          "versions": [
            {
              "status": "affected",
              "version": "2.20.20"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "2.20.20",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-03T21:15:10.750",
  "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 user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices."
    },
    {
      "lang": "es",
      "value": "Un parámetro controlado por usuario usado en videollamada en WhatsApp para Android versiones anteriores a v2.20.17, WhatsApp Business para Android versiones anteriores a v2.20.7, WhatsApp para iPhone versiones anteriores a v2.20.20 y WhatsApp Business para iPhone versiones anteriores a v2.20.20, podría haber permitido una escritura fuera de límites en dispositivos de 32 bits"
    }
  ],
  "lastModified": "2026-06-17T03:02:33.890",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A2AC5DBD-EE20-4FD4-B167-DB51C4FF9947",
              "versionEndExcluding": "2.20.17"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4849283-286E-4EB3-8E6D-62BD337F6B80",
              "versionEndExcluding": "2.20.20"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "159204F0-81C6-46B4-A5D9-61F9658F93F3",
              "versionEndExcluding": "2.20.7"
            },
            {
              "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "71FD0B05-6C75-4A4B-ACF9-CD6A0B2437DE",
              "versionEndExcluding": "2.20.20"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com"
}