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CVE-2002-0637

Estado: ModificadaAlta (7.5)—

InterScan VirusWall 3.52 build 1462 allows remote attackers to bypass virus protection via e-mail messages with headers that violate RFC specifications by having (or missing) space characters in unexpected places (aka "space gap"), such as (1) Content-Type :", (2) "Content-Transfer-Encoding :", (3) no space before a boundary declaration, or (4) "boundary= ", which is processed by Outlook Express.

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)

Trend Micro — Interscan Viruswall

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2002-0637",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2002-07-11T04:00:00.000",
  "references": [
    {
      "url": "http://www.iss.net/security_center/static/9464.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securiteam.com/securitynews/5KP000A7QE.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.iss.net/security_center/static/9464.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securiteam.com/securitynews/5KP000A7QE.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "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": "InterScan VirusWall 3.52 build 1462 allows remote attackers to bypass virus protection via e-mail messages with headers that violate RFC specifications by having (or missing) space characters in unexpected places (aka \"space gap\"), such as (1) Content-Type :\", (2) \"Content-Transfer-Encoding :\", (3) no space before a boundary declaration, or (4) \"boundary= \", which is processed by Outlook Express."
    },
    {
      "lang": "es",
      "value": "Interscan VirusWall build 1462 permite a atacantes remotos evadir la protección mediante mensajes de correo con cabeceras que no cumplen la especificaciónes RFC por tener (o faltarle) caractéres de espacio en lugares inesperados (también conocido como \"space gap\"); como en:\r\n\r\n\"Content-Type :\"\r\n\"Content-Transfer-Encoding :\"\r\nSin espacio antes de una declaración de límites, o\r\n \"boundary= \", que es procesado por Outlook Express."
    }
  ],
  "lastModified": "2026-06-16T21:57:50.127",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trend_micro:interscan_viruswall:3.52:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7A7881A-BC30-471E-8D8F-F764F26DF8F8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}