Security advisory

{
  "id": "e2f140104d1a9a74a76cf409ceb083ef73264b6c6fa2b00d545f5179a1e3ba7f",
  "url": "https://osv.dev/vulnerability/CVE-2021-3815",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3815",
    "summary": "utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
    "evidence": "osv:CVE-2021-3815",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-3815",
      "aliases": [
        "CVE-2021-3815",
        "GHSA-3xph-cp8f-2229"
      ],
      "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/fabiocaccamo/utils.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d9ebbcdbcd7b89abeeb240952ff5ab01ca372a5f"
                },
                {
                  "fixed": "102efafb291ce1916985514440d3bf8a6826890a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:utils.js_project:utils.js:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.17.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "102efafb291ce1916985514440d3bf8a6826890a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.17.1",
            "0.17.0",
            "0.16.0",
            "0.15.0",
            "0.14.2",
            "0.14.1",
            "0.14.0",
            "0.13.0",
            "0.12.0",
            "0.11.0",
            "0.10.0",
            "0.9.15",
            "0.9.14",
            "0.9.13",
            "0.9.12",
            "0.9.11",
            "0.9.10",
            "0.9.9",
            "0.9.8",
            "0.9.7",
            "0.9.6",
            "0.9.5",
            "0.9.4",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.8.2",
            "0.8.1",
            "0.8.0",
            "0.7.0",
            "0.6.0",
            "0.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3815.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:52.787820498Z",
      "provider": "osv",
      "references": [
        "https://github.com/fabiocaccamo/utils.js/commit/102efafb291ce1916985514440d3bf8a6826890a",
        "https://huntr.dev/bounties/20f48c63-f078-4173-bcac-a9f34885f2c0"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-3815",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384721,
  "published_at": "2021-12-08T17:15:10.927+00:00"
}