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CVE-2021-43082

Estado: ModificadaCrítica (9.8)—

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.

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 — Traffic Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-43082",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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,
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        "obtainAllPrivilege": false,
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  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Traffic Server",
          "versions": [
            {
              "status": "affected",
              "version": "9.1.0"
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  "published": "2021-11-03T16:15:08.230",
  "references": [
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        "Mailing List",
        "Patch",
        "Vendor Advisory"
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  "vulnStatus": "Modified",
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          "value": "CWE-120"
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      "description": [
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          "value": "CWE-120"
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      "lang": "en",
      "value": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de copia del búfer sin comprobar el tamaño de la entrada (\"Desbordamiento de Búfer Clásico\") en el plugin stats-over-http de Apache Traffic Server permite a un atacante sobrescribir la memoria. Este problema afecta a Apache Traffic Server versión 9.1.0"
    }
  ],
  "lastModified": "2026-06-17T04:10:29.480",
  "configurations": [
    {
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