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CVE-2021-47208

Estado: AnalizadaMedia (4.3)—

The Mojolicious module before 9.11 for Perl has a bug in format detection that can potentially be exploited for denial of service.

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)

Mojolicious — Mojolicious

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-47208",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-47208",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-16T19:38:01.587080Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:mojolicious:mojolicious:*:*:*:*:*:*:*:*"
          ],
          "vendor": "mojolicious",
          "product": "mojolicious",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "9.11",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-04-08T00:15:07.920",
  "references": [
    {
      "url": "https://github.com/mojolicious/mojo/commit/a0c4576ffb11c235088550de9ba7ac4196e1953c",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/mojolicious/mojo/issues/1736",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/mojolicious/mojo/commit/a0c4576ffb11c235088550de9ba7ac4196e1953c",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/mojolicious/mojo/issues/1736",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Mojolicious module before 9.11 for Perl has a bug in format detection that can potentially be exploited for denial of service."
    },
    {
      "lang": "es",
      "value": "El módulo Mojolicious anterior a la versión 9.11 para Perl tiene un error en la detección de formato que potencialmente puede explotarse para denegar el servicio."
    }
  ],
  "lastModified": "2026-06-17T04:16:54.823",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mojolicious:mojolicious:*:*:*:*:*:perl:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C3DC8788-5BF5-4B67-BDC1-12584F7A8467",
              "versionEndExcluding": "9.11"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}