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CVE-2021-4118

Estado: ModificadaAlta (7.8)—

pytorch-lightning is vulnerable to Deserialization of Untrusted Data

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)

Lightningai — Pytorch Lightning

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-4118",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
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        "type": "Secondary",
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          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
        },
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        "exploitabilityScore": 1.8
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "product": "pytorchlightning/pytorch-lightning",
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              "version": "unspecified",
              "lessThan": "1.6",
              "versionType": "custom"
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  ],
  "published": "2021-12-23T18:15:07.407",
  "references": [
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      "url": "https://github.com/pytorchlightning/pytorch-lightning/commit/62f1e82e032eb16565e676d39e0db0cac7e34ace",
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        "Third Party Advisory"
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      "source": "security@huntr.dev"
    },
    {
      "url": "https://github.com/pytorchlightning/pytorch-lightning/commit/62f1e82e032eb16565e676d39e0db0cac7e34ace",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://huntr.dev/bounties/31832f0c-e5bb-4552-a12c-542f81f111e6",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@huntr.dev",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "pytorch-lightning is vulnerable to Deserialization of Untrusted Data"
    },
    {
      "lang": "es",
      "value": "pytorch-lightning es vulnerable a una Deserialización de Datos No Confiables"
    }
  ],
  "lastModified": "2026-06-17T04:19:03.817",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "AAE83764-D0C2-42DA-8D8F-D0BA90E2FDF0",
              "versionEndExcluding": "1.6.0"
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  "sourceIdentifier": "security@huntr.dev"
}