« Volver al listado

CVE-2006-20001

Estado: ModificadaAlta (7.5)—

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.

This issue affects Apache HTTP Server 2.4.54 and earlier.

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)

Apache — Http Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2006-20001",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2006-20001",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-01T15:32:06.669346Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache HTTP Server",
          "versions": [
            {
              "status": "affected",
              "version": "2.4",
              "versionType": "semver",
              "lessThanOrEqual": "2.4.54"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-01-17T20:15:11.177",
  "references": [
    {
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/202309-01",
      "source": "security@apache.org"
    },
    {
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/202309-01",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230316-0005/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.\n\nThis issue affects Apache HTTP Server 2.4.54 and earlier."
    },
    {
      "lang": "es",
      "value": "Un encabezado de solicitud If cuidadosamente manipulado puede provocar una lectura o escritura de memoria de un único byte cero en una ubicación de memoria del grupo (heap) más allá del valor del encabezado enviado. Esto podría provocar que el proceso se bloquee. Este problema afecta al servidor Apache HTTP 2.4.54 y versiones anteriores."
    }
  ],
  "lastModified": "2026-06-16T22:24:06.513",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E1AD829E-486E-4D6E-B323-F0FA299E587D",
              "versionEndExcluding": "2.4.55"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@apache.org"
}