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CVE-2016-4309

Estado: ModificadaAlta (7.5)—

Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Getsymphony — Symphony

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2016-4309",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  "published": "2016-06-30T17:59:02.813",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-362"
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          "value": "NVD-CWE-Other"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de fijación de sesión en Symphony CMS 2.6.7, cuando session.use_only_cookies está deshabilitado, permite a atacantes remotos secuestrar sesiones web a través del parámetro PHPSESSID."
    }
  ],
  "lastModified": "2026-06-17T00:47:19.567",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  ],
  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/384.html\">CWE-384: Session Fixation</a>",
  "sourceIdentifier": "cret@cert.org"
}