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CVE-2019-17067

Estado: ModificadaCrítica (9.8)—

PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection.

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)

Putty — Putty

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-17067",
  "cveTags": [],
  "metrics": {
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        "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"
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        "impactScore": 6.4,
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  "affected": [
    {
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      "affectedData": [
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          "versions": [
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  "published": "2019-10-01T17:15:10.463",
  "references": [
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      "url": "https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "url": "https://lists.tartarus.org/pipermail/putty-announce/2019/000029.html",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PuTTY before 0.73 on Windows improperly opens port-forwarding listening sockets, which allows attackers to listen on the same port to steal an incoming connection."
    },
    {
      "lang": "es",
      "value": "PuTTY versiones anteriores a 0.73 en Windows abre inapropiadamente los sockets de escucha de reenvío de puertos, lo que permite a los atacantes escuchar sobre el mismo puerto para robar una conexión entrante."
    }
  ],
  "lastModified": "2026-06-17T02:23:15.340",
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}