‹ Back to list

CVE-2016-3884

Status: ModifiedMedium (5.5)—
Severity5.5Medium · CVSS 3.0
Exploitation probability0.44 %higher than 37% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

server/notification/NotificationManagerService.java in the Notification Manager Service in Android 6.x before 2016-09-01 and 7.0 before 2016-09-01 lacks uid checks, which allows attackers to bypass intended restrictions on method calls via a crafted application, aka internal bug 29421441.

CVSS

Base score
5.5
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.44 %
Percentile among all scored CVEs
37
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 8 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-3884",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-09-11T21:59:28.073",
  "references": [
    {
      "url": "http://source.android.com/security/bulletin/2016-09-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/92875",
      "source": "security@android.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1036763",
      "source": "security@android.com"
    },
    {
      "url": "https://android.googlesource.com/platform/frameworks/base/+/61e9103b5725965568e46657f4781dd8f2e5b623",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "source": "security@android.com"
    },
    {
      "url": "http://source.android.com/security/bulletin/2016-09-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/92875",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1036763",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://android.googlesource.com/platform/frameworks/base/+/61e9103b5725965568e46657f4781dd8f2e5b623",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "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": "server/notification/NotificationManagerService.java in the Notification Manager Service in Android 6.x before 2016-09-01 and 7.0 before 2016-09-01 lacks uid checks, which allows attackers to bypass intended restrictions on method calls via a crafted application, aka internal bug 29421441."
    },
    {
      "lang": "es",
      "value": "server/notification/NotificationManagerService.java en el Notification Manager Service en Android 6.x en versiones anteriores a 2016-09-01 y 7.0 en versiones anteriores a 2016-09-01 carece de comprobaciones uid, lo que permite a atacantes eludir las restricciones destinadas a llamadas al método a través de una aplicación manipulada, vulnerabilidad también conocida como error interno 29421441."
    }
  ],
  "lastModified": "2026-06-17T00:46:30.627",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295"
            },
            {
              "criteria": "cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "691FA41B-C2CE-413F-ABB1-0B22CB322807"
            },
            {
              "criteria": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09E6085C-A61E-4A89-BF80-EDD9A7DF1E47"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}