{
  "GSD": {
    "alias": "CVE-2020-7774",
    "description": "This affects the package y18n before 3.2.2, 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require(\u0027y18n\u0027)(); y18n.setLocale(\u0027__proto__\u0027); y18n.updateLocale({polluted: true}); console.log(polluted); // true",
    "id": "GSD-2020-7774",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-7774.html",
      "https://access.redhat.com/errata/RHSA-2021:2438",
      "https://access.redhat.com/errata/RHSA-2021:2041",
      "https://access.redhat.com/errata/RHSA-2021:0551",
      "https://access.redhat.com/errata/RHSA-2021:0548",
      "https://access.redhat.com/errata/RHSA-2021:0521",
      "https://access.redhat.com/errata/RHSA-2021:0421",
      "https://access.redhat.com/errata/RHSA-2020:5633",
      "https://access.redhat.com/errata/RHSA-2020:5499",
      "https://access.redhat.com/errata/RHSA-2020:5305",
      "https://advisories.mageia.org/CVE-2020-7774.html",
      "https://linux.oracle.com/cve/CVE-2020-7774.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-7774"
      ],
      "details": "The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.",
      "id": "GSD-2020-7774",
      "modified": "2023-12-13T01:21:51.976893Z",
      "schema_version": "1.4.0"
    }
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        "STATE": "PUBLIC",
        "TITLE": "Prototype Pollution"
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        {
          "affected_range": "\u003c4.0.1||\u003e=5.0.0 \u003c5.0.5",
          "affected_versions": "All versions before 4.0.1, all versions starting from 5.0.0 before 5.0.5",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
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          "date": "2021-07-21",
          "description": "This affects the package y18n",
          "fixed_versions": [
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            "5.0.5"
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          "identifier": "CVE-2020-7774",
          "identifiers": [
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          "not_impacted": "All versions starting from 4.0.1 before 5.0.0, all versions starting from 5.0.5",
          "package_slug": "npm/y18n",
          "pubdate": "2020-11-17",
          "solution": "Upgrade to versions 4.0.1, 5.0.5 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-7774"
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          "uuid": "31e64be8-0a39-4d06-a5b3-830c3920b9a4"
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      "lastModifiedDate": "2022-12-02T19:40Z",
      "publishedDate": "2020-11-17T13:15Z"
    }
  }
}