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CVE-2020-13977

Status: ModifiedMedium (4.9)—

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.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Fedoraproject — FedoraNagios — Nagios

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2020-13977",
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  "published": "2020-06-09T14:15:10.063",
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      "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",
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