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CVE-2008-0087

Status: ModifiedHigh (7.5)—

The DNS client in Microsoft Windows 2000 SP4, XP SP2, Server 2003 SP1 and SP2, and Vista uses predictable DNS transaction IDs, which allows remote attackers to spoof DNS responses.

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 (4)

Microsoft — Windows 2000Microsoft — Windows Server 2003Microsoft — Windows VistaMicrosoft — Windows XP

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2008-0087",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 8.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 9.2,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-04-08T23:05:00.000",
  "references": [
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      "tags": [
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    },
    {
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      "tags": [
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      ],
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    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA08-099A.html",
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    {
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      "tags": [
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    {
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    },
    {
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    {
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The DNS client in Microsoft Windows 2000 SP4, XP SP2, Server 2003 SP1 and SP2, and Vista uses predictable DNS transaction IDs, which allows remote attackers to spoof DNS responses."
    },
    {
      "lang": "es",
      "value": "El cliente de DNS en Microsoft Windows 2000 SP4, XP SP2, Server 2003 SP1 y SP2, y Vista, emplea IDs de transacciones de DNS predecibles, lo que permite a atacantes remotos falsificar respuestas DNS."
    }
  ],
  "lastModified": "2026-06-16T22:48:54.877",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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            },
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            },
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            },
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              "vulnerable": true,
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            },
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              "vulnerable": true,
              "matchCriteriaId": "C6109348-BC79-4ED3-8D41-EA546A540C79"
            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "secure@microsoft.com"
}