Security advisory

{
  "id": "766b4d4999a191ea11d7d54a00e15f0a53979a437ed96dbe0c32b9478e7bfe41",
  "url": "https://osv.dev/vulnerability/CVE-2020-1948",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-1948",
    "summary": "This vulnerability can affect all Dubbo users stay on version 2.7.6 or lower. An attacker can send RPC requests with unrecognized service name or method name along with some malicious parameter payloads. When the malicious parameter is deserialized, it will execute some malicious code. More details can be found below.",
    "evidence": "osv:CVE-2020-1948",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-1948",
      "aliases": [
        "CVE-2020-1948",
        "GHSA-whww-v56c-cgv2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/dubbo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "31ca18c712de2016795ba59f499f7c254f9281d5"
                },
                {
                  "last_affected": "04576ff4ffdd5872e738b4e10e3905fe513109d2"
                },
                {
                  "introduced": "22bb9cbcf75cab6445b8706574a986517855b535"
                },
                {
                  "last_affected": "eac84b290f82bb5346a449a973315b6860a9e665"
                },
                {
                  "introduced": "614bcebc01336ee5047a98f96b28915680c0399c"
                },
                {
                  "last_affected": "af4cff2846bdfb9f105bf32b988616a4ed40a072"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.5.0"
                      },
                      {
                        "last_affected": "2.5.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.0"
                      },
                      {
                        "last_affected": "2.6.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.0"
                      },
                      {
                        "last_affected": "2.7.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "dubbo-2.7.6",
            "2.7.6",
            "dubbo-2.6.7",
            "dubbo-2.6.6",
            "dubbo-2.6.1",
            "dubbo-2.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1948.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:51.367811989Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apache.org%3E",
        "https://nsfocusglobal.com/apache-dubbo-remote-code-execution-vulnerability-cve-2020-1948-threat-alert/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-1948",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437461,
  "published_at": "2020-07-14T14:15:17.79+00:00"
}