{
  "id": "CVE-2017-20189",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2024-01-22T06:15:07.563",
  "lastModified": "2024-01-30T23:01:53.763",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Clojure before 1.9.0, classes can be used to construct a serialized object that executes arbitrary code upon deserialization. This is relevant if a server deserializes untrusted objects."
    },
    {
      "lang": "es",
      "value": "En Clojure anterior a 1.9.0, las clases se pueden usar para construir un objeto serializado que ejecuta c\u00f3digo arbitrario tras la deserializaci\u00f3n. Esto es relevante si un servidor deserializa objetos que no son de confianza."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:clojure:clojure:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.9.0",
              "matchCriteriaId": "BF6C5ABE-97CB-400C-880A-453F5CA13383"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://clojure.atlassian.net/browse/CLJ-2204",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/clojure/clojure/commit/271674c9b484d798484d134a5ac40a6df15d3ac3",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/frohoff/ysoserial/pull/68/files",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://hackmd.io/%40fe1w0/HyefvRQKp",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGCLOJURE-5740378",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}