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CVE-2020-13977

Estado: ModificadaMedia (4.9)—

Nagios versión 4.4.5, permite a un atacante, que presenta acceso administrativo, cambiar el ajuste de configuración "URL for JSON CGI", para modificar el código de Alert Histogram y Trends por medio de las versiones diseñadas de los archivos archivejson.cgi, objectjson.cgi y statusjson.cgi. NOTA: esta vulnerabilidad ha sido erróneamente asociada con CVE-2020-1408

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 (2)

Fedoraproject — FedoraNagios — Nagios

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-13977",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 1.2
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  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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  "published": "2020-06-09T14:15:10.063",
  "references": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-829"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "Nagios 4.4.5 allows an attacker, who already has administrative access to change the \"URL for JSON CGIs\" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408."
    },
    {
      "lang": "es",
      "value": "Nagios versión 4.4.5, permite a un atacante, que presenta acceso administrativo, cambiar el ajuste de configuración \"URL for JSON CGI\", para modificar el código de Alert Histogram y Trends por medio de las versiones diseñadas de los archivos archivejson.cgi, objectjson.cgi y statusjson.cgi. NOTA: esta vulnerabilidad ha sido erróneamente asociada con CVE-2020-1408"
    }
  ],
  "lastModified": "2026-06-17T02:54:02.650",
  "configurations": [
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