Security advisory

{
  "id": "d008010cefb99d7a96edd7406341548e1f7b9d897f944e55492ac4e76c026243",
  "url": "https://osv.dev/vulnerability/CVE-2021-23449",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23449",
    "summary": "This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.",
    "evidence": "osv:CVE-2021-23449",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-23449",
      "aliases": [
        "CVE-2021-23449",
        "GHSA-rjf2-j2r6-q8gr",
        "SNYK-JS-VM2-1585918"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/patriksimek/vm2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1eabc2ae3f79b629f8680cec87336e3cd5aded3c"
                },
                {
                  "fixed": "b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.9.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1eabc2ae3f79b629f8680cec87336e3cd5aded3c"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "3.9.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.9.3",
            "v3.9.2",
            "v3.9.1",
            "v3.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23449.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:37.492558325Z",
      "provider": "osv",
      "references": [
        "https://github.com/patriksimek/vm2/issues/363",
        "https://github.com/patriksimek/vm2/releases/tag/3.9.4",
        "https://security.netapp.com/advisory/ntap-20211029-0010/",
        "https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886",
        "https://snyk.io/vuln/SNYK-JS-VM2-1585918"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23449",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384440,
  "published_at": "2021-10-18T17:15:07.79+00:00"
}