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CVE-2016-6723

Status: ModifiedMedium (4.7)—
Severity4.7Medium · CVSS 3.0
Exploitation probability0.61 %higher than 49% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

A denial of service vulnerability in Proxy Auto Config in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-11-01, and 7.0 before 2016-11-01 could enable a remote attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as Moderate because it requires an uncommon device configuration. Android ID: A-30100884.

CVSS

Base score
4.7
Version
3.0
Vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.61 %
Percentile among all scored CVEs
49
Score date
10/23/2026

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 (1)

Google — Android

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-6723",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "Google Inc.",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-4.4.4"
            },
            {
              "status": "affected",
              "version": "Android-5.0.2"
            },
            {
              "status": "affected",
              "version": "Android-5.1.1"
            },
            {
              "status": "affected",
              "version": "Android-6.0"
            },
            {
              "status": "affected",
              "version": "Android-6.0.1"
            },
            {
              "status": "affected",
              "version": "Android-7.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-11-25T16:59:26.597",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/94185",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2016-11-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://wwws.nightwatchcybersecurity.com/2016/11/07/crashing-android-devices-with-large-pac-files-cve-2016-6723/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/94185",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.android.com/security/bulletin/2016-11-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wwws.nightwatchcybersecurity.com/2016/11/07/crashing-android-devices-with-large-pac-files-cve-2016-6723/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability in Proxy Auto Config in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-11-01, and 7.0 before 2016-11-01 could enable a remote attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as Moderate because it requires an uncommon device configuration. Android ID: A-30100884."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de denegación de servicio en Proxy Auto Config en Android 4.x en versiones anteriores a 4.4.4, 5.0.x en versiones anteriores a 5.0.2, 5.1.x en versiones anteriores a 5.1.1, 6.x en versiones anteriores a 01-11-2016 y 7.0 en versiones anteriores a 01-11-2016 podría habilitar a un atacante remoto a usar un archivo especialmente manipulado para provocar un cuelgue o reinicio de dispositivo. Este problema está clasificado como Moderate porque requiere una configuración de dispositivo poco común. Android ID: A-30100884."
    }
  ],
  "lastModified": "2026-06-17T00:51:39.523",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2F63C036-4521-48DD-A15B-74A95490B28E",
              "versionEndExcluding": "4.4.4",
              "versionStartIncluding": "4.0"
            },
            {
              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2729133C-B1FD-4D6F-AAC6-D649C6836F43",
              "versionEndExcluding": "5.0.2",
              "versionStartIncluding": "5.0"
            },
            {
              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4A452223-9E27-48CC-A8AC-989A346685D5",
              "versionEndExcluding": "5.1.1",
              "versionStartIncluding": "5.1"
            },
            {
              "criteria": "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AAE0DC37-20D9-4AAA-94D9-4E347368D7F1",
              "versionEndIncluding": "6.0.1",
              "versionStartIncluding": "6.0"
            },
            {
              "criteria": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09E6085C-A61E-4A89-BF80-EDD9A7DF1E47"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}