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CVE-2004-0002

Status: ModifiedHigh (10)—

The TCP MSS (maximum segment size) functionality in netinet allows remote attackers to cause a denial of service (resource exhaustion) via (1) a low MTU, which causes a large number of small packets to be produced, or (2) via a large number of packets with a small TCP payload, which cause a large number of calls to the resource-intensive sowakeup function.

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 (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2004-0002",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2004-03-03T05:00:00.000",
  "references": [
    {
      "url": "http://lists.freebsd.org/pipermail/cvs-src/2004-January/016271.html",
      "tags": [
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        "Vendor Advisory"
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      "url": "http://lists.freebsd.org/pipermail/cvs-src/2004-January/016271.html",
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      "value": "The TCP MSS (maximum segment size) functionality in netinet allows remote attackers to cause a denial of service (resource exhaustion) via (1) a low MTU, which causes a large number of small packets to be produced, or (2) via a large number of packets with a small TCP payload, which cause a large number of calls to the resource-intensive sowakeup function."
    },
    {
      "lang": "es",
      "value": "La funcionalidad TCP MSS (maximum segment size) en netinet permite a atacantes remotos causar una denegación de servicio (consumición de recursos) mediante un:\r\nMTU bajo, que causa que se produzcan un gran número de pequeños paquetes, o\r\nmediante un grán número de paquetes con contenido TCP pequeño, lo que hace que se hagan un gran número de llamadas a la función sowakeup, que consumen muchos recursos."
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  "lastModified": "2026-06-16T22:04:44.890",
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