CVE-2015-3778

Status: ModifiedLow (3.3)—

bootp in Apple iOS before 8.4.1 and OS X before 10.10.5 allows remote attackers to obtain potentially sensitive information about MAC addresses seen in previous Wi-Fi sessions by sniffing an 802.11 network for DNAv4 broadcast traffic.

CVSS

Version: 2.0
Vector: AV:A/AC:L/Au:N/C:P/I:N/A:N
Base score: 3.3

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.90%
Percentile among all scored CVEs: 58
Score date: 10/10/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Apple — Iphone OS Apple — MAC OS X

CWEs

CWE-200

References

Raw JSON (NVD)

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{
  "id": "CVE-2015-3778",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-08-16T23:59:51.190",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/76337",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/76340",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1033275",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT205030",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT205031",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/76337",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/76340",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033275",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT205030",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT205031",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "bootp in Apple iOS before 8.4.1 and OS X before 10.10.5 allows remote attackers to obtain potentially sensitive information about MAC addresses seen in previous Wi-Fi sessions by sniffing an 802.11 network for DNAv4 broadcast traffic."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en bootp en Apple iOS en versiones anteriores a 8.4.1 y OS X en versiones anteriores a 10.10.5, permite a atacantes remotos obtener información potencialmente sensible sobre direcciones MAC vistas en sesiones Wi-Fi previas rastreando una red 802.11 en busca de tráfico de difusión DNAv4."
    }
  ],
  "lastModified": "2026-06-17T00:26:16.493",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0D52ECBD-7375-4FC9-BE05-2354EEA1332F",
              "versionEndIncluding": "8.4"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7883E465-932D-4C11-AA54-97E44181F906",
              "versionEndIncluding": "10.10.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}