{
  "id": "CVE-2021-43138",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-04-06T17:15:08.650",
  "lastModified": "2023-02-23T20:20:03.553",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution."
    },
    {
      "lang": "es",
      "value": "En Async antes de la versi\u00f3n 2.6.4 y 3.x antes de la versi\u00f3n 3.2.2, un usuario malicioso puede obtener privilegios a trav\u00e9s del m\u00e9todo mapValues(), tambi\u00e9n conocido como contaminaci\u00f3n del prototipo lib/internal/iterator.js createObjectIterator"
    }
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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        "type": "Primary",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-1321"
        }
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  "references": [
    {
      "url": "https://github.com/caolan/async/blob/master/lib/internal/iterator.js",
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