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CVE-2019-20485

Estado: ModificadaMedia (5.7)—

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).

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 (3)

Debian — Debian LinuxFedoraproject — FedoraRedhat — Libvirt

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-20485",
  "cveTags": [],
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          "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.1,
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        "userInteractionRequired": false
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          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
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        "impactScore": 3.6,
        "exploitabilityScore": 2.1
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  "affected": [
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      "affectedData": [
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          "versions": [
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  "published": "2020-03-19T02:15:10.880",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-20"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage)."
    },
    {
      "lang": "es",
      "value": "El archivo qemu/qemu_driver.c en libvirt versiones anteriores a 6.0.0, maneja inapropiadamente la conservación de un trabajo de monitoreo durante una consulta a un agente invitado, lo que permite a atacantes causar una denegación de servicio (bloqueo de la API)."
    }
  ],
  "lastModified": "2026-06-17T02:30:33.467",
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}