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CVE-2020-8242

Estado: ModificadaAlta (7.2)—

Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack.

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)

Expressionengine — Expressionengine

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-8242",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "ExpressionEngine",
          "versions": [
            {
              "status": "affected",
              "version": "<= 5.4.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-02-18T18:15:08.723",
  "references": [
    {
      "url": "https://hackerone.com/reports/968240",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/968240",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack."
    },
    {
      "lang": "es",
      "value": "Una entrada del usuario no saneada en la creación de miembros del panel de control de ExpressionEngine versiones anteriores a 5.4.0 incluyéndola, conlleva a una inyección SQL. El usuario necesita la creación de miembros/acceso al panel de control para ejecutar el ataque"
    }
  ],
  "lastModified": "2026-06-17T03:26:07.077",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69F9D93C-F561-4EBA-9EC6-11869917C877",
              "versionEndIncluding": "5.4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}