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CVE-2021-23259

Estado: ModificadaAlta (7.2)—

Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE).

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)

Craftercms — Crafter CMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-23259",
  "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": "Secondary",
        "source": "security@craftersoftware.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.2,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.5
      },
      {
        "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": "security@craftersoftware.com",
      "affectedData": [
        {
          "vendor": "Crafter Software",
          "product": "Crafter CMS",
          "versions": [
            {
              "status": "affected",
              "version": "3.1",
              "lessThan": "3.1.12",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-02T16:15:07.513",
  "references": [
    {
      "url": "https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120102",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@craftersoftware.com"
    },
    {
      "url": "https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120102",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@craftersoftware.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-913"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-913"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE)."
    },
    {
      "lang": "es",
      "value": "Los usuarios autenticados con roles de Administrador o Desarrollador pueden ejecutar comandos del sistema operativo mediante el Script Groovy que usa Groovy lib para renderizar una página web. El script groovy no presenta restricciones de seguridad, lo que causará que atacantes ejecuten comandos arbitrarios de forma remota (RCE)"
    }
  ],
  "lastModified": "2026-06-17T03:38:28.910",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:craftercms:crafter_cms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D6B0250B-7A80-4E49-9502-808764EAFAA7",
              "versionEndExcluding": "3.1.12",
              "versionStartIncluding": "3.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@craftersoftware.com"
}