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CVE-2003-0866

Estado: ModificadaMedia (5)—💥 Exploit

The Catalina org.apache.catalina.connector.http package in Tomcat 4.0.x up to 4.0.3 allows remote attackers to cause a denial of service via several requests that do not follow the HTTP protocol, which causes Tomcat to reject later requests.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Apache — Tomcat

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2003-0866",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2003-11-17T05:00:00.000",
  "references": [
    {
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    {
      "url": "http://secunia.com/advisories/30908",
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    {
      "url": "http://tomcat.apache.org/security-4.html",
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    },
    {
      "url": "http://www.debian.org/security/2003/dsa-395",
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    {
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    {
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    },
    {
      "url": "https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Catalina org.apache.catalina.connector.http package in Tomcat 4.0.x up to 4.0.3 allows remote attackers to cause a denial of service via several requests that do not follow the HTTP protocol, which causes Tomcat to reject later requests."
    },
    {
      "lang": "es",
      "value": "El paquete Catalina org.apache.catalina.connector.http en Tomcat 4.0.x a 4.0.3 permite a atacantes remotos causar una denegación de servicio mediante ciertas peticiones que no siguen el protocolo HTTP, lo que hace que Tomcat rechace peticiones subsiguientes."
    }
  ],
  "lastModified": "2026-06-16T22:03:06.620",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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            },
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            },
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              "vulnerable": true,
              "matchCriteriaId": "0BFE5AD8-DB14-4632-9D2A-F2013579CA7D"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "7641278D-3B8B-4CD2-B284-2047B65514A2"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "BB7B9911-E836-4A96-A0E8-D13C957EC0EE"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "D2341C51-A239-4A4A-B0DC-30F18175442C"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}