Security advisory

{
  "id": "e5248d52d8007e52e0624b0c0efa8606140c6757554347e0f12e6f0352435ac8",
  "url": "https://osv.dev/vulnerability/CVE-2019-18362",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-18362",
    "summary": "JetBrains MPS before 2019.2.2 exposed listening ports to the network.",
    "evidence": "osv:CVE-2019-18362",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-18362",
      "aliases": [
        "CVE-2019-18362"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jetbrains/mps",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8a0d10d9f69684e9332355a7284eebe8f87791db"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jetbrains:mps:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2019.2.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18362.json",
            "vanir_signatures": [
              {
                "id": "CVE-2019-18362-0983d801",
                "digest": {
                  "threshold": 0.9,
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                },
                "source": "https://github.com/jetbrains/mps/commit/8a0d10d9f69684e9332355a7284eebe8f87791db",
                "target": {
                  "file": "languages/languageDesign/structure/source_gen/jetbrains/mps/lang/structure/migration/MigrateEnumProperties.java"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
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              {
                "id": "CVE-2019-18362-e549458b",
                "digest": {
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                  "function_hash": "208191809334955122880936195651961084437"
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                "source": "https://github.com/jetbrains/mps/commit/8a0d10d9f69684e9332355a7284eebe8f87791db",
                "target": {
                  "file": "languages/languageDesign/structure/source_gen/jetbrains/mps/lang/structure/migration/MigrateEnumProperties.java",
                  "function": "updateProperty"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
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            ],
            "vanir_signatures_modified": "2026-10-24T14:24:33Z"
          }
        }
      ],
      "modified": "2026-10-24T14:24:33.069230950Z",
      "provider": "osv",
      "references": [
        "https://blog.jetbrains.com/blog/2019/10/29/jetbrains-security-bulletin-q3-2019/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-18362",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443699,
  "published_at": "2019-10-31T15:15:11.23+00:00"
}