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CVE-2016-2458

Status: ModifiedMedium (5.5)—
Severity5.5Medium · CVSS 3.0
Exploitation probability0.47 %higher than 40% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The compose functionality in AOSP Mail in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-05-01 does not properly restrict attachments, which allows attackers to obtain sensitive information via a crafted application, related to ComposeActivity.java and ComposeActivityEmail.java, aka internal bug 27335139.

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.47 %
Percentile among all scored CVEs
40
Score date
10/24/2026

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-2016-2458",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "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": "2016-05-09T10:59:36.190",
  "references": [
    {
      "url": "http://source.android.com/security/bulletin/2016-05-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://android.googlesource.com/platform/packages/apps/Email/+/2791f0b33b610247ef87278862e66c6045f89693",
      "source": "security@android.com"
    },
    {
      "url": "https://android.googlesource.com/platform/packages/apps/UnifiedEmail/+/a55168330d9326ff2120285763c818733590266a",
      "source": "security@android.com"
    },
    {
      "url": "http://source.android.com/security/bulletin/2016-05-01.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://android.googlesource.com/platform/packages/apps/Email/+/2791f0b33b610247ef87278862e66c6045f89693",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://android.googlesource.com/platform/packages/apps/UnifiedEmail/+/a55168330d9326ff2120285763c818733590266a",
      "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": "The compose functionality in AOSP Mail in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-05-01 does not properly restrict attachments, which allows attackers to obtain sensitive information via a crafted application, related to ComposeActivity.java and ComposeActivityEmail.java, aka internal bug 27335139."
    },
    {
      "lang": "es",
      "value": "La funcionalidad compose en AOSP Mail en Android 5.0.x en versiones anteriores a 5.0.2, 5.1.x en versiones anteriores a 5.1.1 y 6.x en versiones anteriores a 2016-05-01 no restringe adecuadamente archivos adjuntos, lo que permite a atacantes obtener información sensible a través de una aplicación manipulada, relacionado con ComposeActivity.java y ComposeActivityEmail.java, también conocido como error interno 27335139."
    }
  ],
  "lastModified": "2026-06-17T00:44:06.080",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7C4E6353-B77A-464F-B7DE-932704003B33"
            },
            {
              "criteria": "cpe:2.3:o:google:android:5.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "77125688-2CCA-4990-ABB2-551D47CB0CDD"
            },
            {
              "criteria": "cpe:2.3:o:google:android:5.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7A8EC00-266C-409B-AD43-18E8DFCD6FE3"
            },
            {
              "criteria": "cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B846C63A-7261-481E-B4A4-0D8C79E0D8A7"
            },
            {
              "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"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}