cve-2025-55177

{
  "cvss": 5.4,
  "datePublished": "2025-08-29T16:15:36.723",
  "dateUpdated": "2026-10-18T21:10:00.120",
  "description": "Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We assess that this vulnerability, in combination with an OS-level vulnerability on Apple platforms (CVE-2025-43300), may have been exploited in a sophisticated attack against specific targeted users.",
  "id": "CVE-2025-55177",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "WhatsApp Desktop for Mac",
            "vendor": "Facebook",
            "versions": [
              {
                "lessThan": "2.25.21.78",
                "status": "affected",
                "version": "2.22.25.2",
                "versionType": "semver"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "WhatsApp Business for iOS",
            "vendor": "Facebook",
            "versions": [
              {
                "lessThan": "2.25.21.78",
                "status": "affected",
                "version": "2.22.25.2",
                "versionType": "semver"
              }
            ]
          },
          {
            "defaultStatus": "unaffected",
            "product": "WhatsApp for iOS",
            "vendor": "Facebook",
            "versions": [
              {
                "lessThan": "2.25.21.73",
                "status": "affected",
                "version": "2.22.25.2",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "cve-assign@fb.com"
      }
    ],
    "cisaActionDue": "2025-09-23",
    "cisaExploitAdd": "2025-09-02",
    "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "cisaVulnerabilityName": "Meta Platforms WhatsApp Incorrect Authorization Vulnerability",
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*",
                "matchCriteriaId": "AD89DE9C-CE23-499F-8436-3DA8B2A2ECF4",
                "versionEndExcluding": "2.25.21.73",
                "versionStartIncluding": "2.22.25.2",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:macos:*:*",
                "matchCriteriaId": "CA1A1B3A-90A5-4EA1-AC4B-715127CE9DE7",
                "versionEndExcluding": "2.25.21.78",
                "versionStartIncluding": "2.22.25.2",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*",
                "matchCriteriaId": "5DE9273B-2DA9-4BCE-8840-CB0B63163646",
                "versionEndExcluding": "2.25.21.78",
                "versionStartIncluding": "2.22.25.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We assess that this vulnerability, in combination with an OS-level vulnerability on Apple platforms (CVE-2025-43300), may have been exploited in a sophisticated attack against specific targeted users."
      },
      {
        "lang": "es",
        "value": "Autorización incompleta de mensajes de sincronización de dispositivos vinculados en WhatsApp para iOS anterior a la v2.25.21.73, WhatsApp Business para iOS v2.25.21.78 y WhatsApp para Mac v2.25.21.78 podría haber permitido a un usuario no relacionado activar el procesamiento de contenido desde una URL arbitraria en el dispositivo de un objetivo. Evaluamos que esta vulnerabilidad, en combinación con una vulnerabilidad a nivel de sistema operativo en plataformas Apple (CVE-2025-43300), podría haber sido explotada en un ataque sofisticado contra usuarios específicos y dirigidos."
      }
    ],
    "id": "CVE-2025-55177",
    "lastModified": "2026-10-18T21:10:00.120",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.5,
          "source": "cve-assign@fb.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2025-55177",
            "options": [
              {
                "exploitation": "active"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-08-30T03:55:35.684164Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-08-29T16:15:36.723",
    "references": [
      {
        "source": "cve-assign@fb.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.facebook.com/security/advisories/cve-2025-55177"
      },
      {
        "source": "cve-assign@fb.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.whatsapp.com/security/advisories/2025/"
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "tags": [
          "US Government Resource"
        ],
        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55177"
      }
    ],
    "sourceIdentifier": "cve-assign@fb.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-863"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-863"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "MEDIUM",
  "source": "nvd",
  "title": "Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp..."
}