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CVE-2020-2279

Estado: ModificadaCrítica (9.9)—

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to define sandboxed scripts to provide crafted return values or script binding content that can result in arbitrary code execution on the Jenkins controller JVM.

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)

Jenkins — Script Security

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-2279",
  "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",
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        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.1
      }
    ]
  },
  "affected": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "affectedData": [
        {
          "vendor": "Jenkins project",
          "product": "Jenkins Script Security Plugin",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "1.74"
            },
            {
              "status": "unaffected",
              "version": "1.66.5"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-23T14:15:13.007",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2020/09/23/1",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    },
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      "url": "https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020",
      "tags": [
        "Vendor Advisory"
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      "source": "jenkinsci-cert@googlegroups.com"
    },
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      "url": "http://www.openwall.com/lists/oss-security/2020/09/23/1",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to define sandboxed scripts to provide crafted return values or script binding content that can result in arbitrary code execution on the Jenkins controller JVM."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de omisión del sandbox en Jenkins Script Security Plugin  versiones 1.74 y anteriores, permite a atacantes con permiso para definir scripts en sandbox proporcionar valores de retorno diseñados o contenido de enlace de script que puede resultar en la ejecución de código arbitrario en la JVM del controlador de Jenkins"
    }
  ],
  "lastModified": "2026-06-17T03:12:07.770",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "vulnerable": true,
              "matchCriteriaId": "9C3BB1A1-A0F0-4010-98AF-8C12A93BE89B",
              "versionEndIncluding": "1.74"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}