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CVE-2016-6809

Status: ModifiedCritical (9.8)—

Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files. The issue exists because Tika invokes JMatIO to do native deserialization.

CVSS

Exploitation probability (EPSS)

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)

Apache — NutchApache — Tika

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2016-6809",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": true,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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  "affected": [
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  "published": "2017-04-06T21:59:00.213",
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      "description": [
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          "lang": "en",
          "value": "CWE-502"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files. The issue exists because Tika invokes JMatIO to do native deserialization."
    },
    {
      "lang": "es",
      "value": "Apache Tika en versiones anteriores a 1.14 permite la ejecución de código Java para objetos serializados incrustados en archivos MATLAB. El problema existe porque Tika invoca JMatIO para hacer la deserialización nativa."
    }
  ],
  "lastModified": "2026-06-17T00:51:48.667",
  "configurations": [
    {
      "nodes": [
        {
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}