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CVE-2021-23329

Estado: ModificadaAlta (7.5)—

The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Getadigital — Nested-object-assign

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-23329",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  },
  "affected": [
    {
      "source": "report@snyk.io",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "nested-object-assign",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "1.0.4",
              "versionType": "custom"
            }
          ]
        }
      ]
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  ],
  "published": "2021-01-31T16:15:12.377",
  "references": [
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      "url": "https://github.com/Geta/NestedObjectAssign/pull/11",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "report@snyk.io"
    },
    {
      "url": "https://snyk.io/vuln/SNYK-JS-NESTEDOBJECTASSIGN-1065977",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/Geta/NestedObjectAssign/pull/11",
      "tags": [
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        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://snyk.io/vuln/SNYK-JS-NESTEDOBJECTASSIGN-1065977",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below."
    },
    {
      "lang": "es",
      "value": "El paquete nested-object-assign versiones anteriores a 1.0.4, es vulnerable a una Contaminación de Prototipo mediante la función predeterminada, como es demostrado al ejecutar la PoC a continuación"
    }
  ],
  "lastModified": "2026-06-17T03:38:34.053",
  "configurations": [
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          "cpeMatch": [
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              "versionEndExcluding": "1.0.4"
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          "operator": "OR"
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  "sourceIdentifier": "report@snyk.io"
}