{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Apache Dubbo",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "changes": [
                {
                  "at": "2.7.8",
                  "status": "unaffected"
                }
              ],
              "lessThan": "2.6.9",
              "status": "affected",
              "version": "Apache Dubbo",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A deserialization vulnerability existed in dubbo 2.7.5 and its earlier versions, which could lead to malicious code execution. Most Dubbo users use Hessian2 as the default serialization/deserialization protool, during Hessian2 deserializing the HashMap object, some functions in the classes stored in HasMap will be executed after a series of program calls, however, those special functions may cause remote command execution. For example, the hashCode() function of the EqualsBean class in rome-1.7.0.jar will cause the remotely load malicious classes and execute malicious code by constructing a malicious request.  This issue was fixed in Apache Dubbo 2.6.9 and 2.7.8."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "orgId": "Not found",
        "shortName": "Not found"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://lists.apache.org/thread.html/r5b2df4ef479209dc4ced457b3d58a887763b60b9354c3dc148b2eb5b%40%3Cdev.dubbo.apache.org%3E"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache Dubbo default deserialization protocol Hessian2 cause CRE",
      "x_ValidationErrors": [
        "$.cveMetadata.assignerOrgId -- validator = pattern",
        "$.containers.cna.providerMetadata.orgId -- validator = pattern"
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CNA_private": {
          "CVE_list": [],
          "CVE_table_description": [],
          "email": "mjc@apache.org",
          "internal_comments": "",
          "owner": "dubbo",
          "publish": {
            "month": "",
            "year": "",
            "ym": ""
          },
          "share_with_CVE": true,
          "todo": []
        },
        "CVE_data_meta": {
          "AKA": "",
          "ASSIGNER": "security@apache.org",
          "DATE_PUBLIC": "",
          "ID": "CVE-2020-11995",
          "STATE": "PUBLIC",
          "TITLE": "Apache Dubbo default deserialization protocol Hessian2 cause CRE"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache Dubbo",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "<",
                            "version_name": "Apache Dubbo",
                            "version_value": "2.6.9"
                          },
                          {
                            "platform": "",
                            "version_affected": "<",
                            "version_name": "Apache Dubbo",
                            "version_value": "2.7.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apache Software Foundation"
              }
            ]
          }
        },
        "configuration": [],
        "credit": [],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A deserialization vulnerability existed in dubbo 2.7.5 and its earlier versions, which could lead to malicious code execution. Most Dubbo users use Hessian2 as the default serialization/deserialization protool, during Hessian2 deserializing the HashMap object, some functions in the classes stored in HasMap will be executed after a series of program calls, however, those special functions may cause remote command execution. For example, the hashCode() function of the EqualsBean class in rome-1.7.0.jar will cause the remotely load malicious classes and execute malicious code by constructing a malicious request.  This issue was fixed in Apache Dubbo 2.6.9 and 2.7.8."
            }
          ]
        },
        "exploit": [],
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {},
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-502 Deserialization of Untrusted Data"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "",
              "refsource": "CONFIRM",
              "url": "https://lists.apache.org/thread.html/r5b2df4ef479209dc4ced457b3d58a887763b60b9354c3dc148b2eb5b%40%3Cdev.dubbo.apache.org%3E"
            }
          ]
        },
        "solution": [],
        "source": {
          "advisory": "",
          "defect": [],
          "discovery": "UNKNOWN"
        },
        "work_around": []
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "Not found",
    "assignerShortName": "Not found",
    "cveId": "CVE-2020-11995",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0"
}