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CVE-2020-4988

Estado: ModificadaCrítica (9.8)—

Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.

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)

IBM — Loopback

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-4988",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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      "affectedData": [
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              "version": "8.0.0"
            }
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  "published": "2020-12-21T18:15:16.523",
  "references": [
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      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-noinfo"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706."
    },
    {
      "lang": "es",
      "value": "Loopback versión 8.0.0, contiene una vulnerabilidad que podría permitir a un atacante manipular o contaminar unos valores de Javascript y causar una denegación de servicio o posiblemente ejecutar código. IBM X-Force ID: 192706"
    }
  ],
  "lastModified": "2026-06-17T03:20:51.797",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "psirt@us.ibm.com"
}