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CVE-2023-5871

Estado: ModificadaMedia (5.3)—

A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.

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 (2)

Redhat — Enterprise LinuxRedhat — Libnbd

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2023-5871",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
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  "affected": [
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          "product": "Red Hat Enterprise Linux 9",
          "versions": [
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              "version": "0:1.18.1-3.el9",
              "lessThan": "*",
              "versionType": "rpm"
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          "packageName": "libnbd",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          "defaultStatus": "unaffected"
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        {
          "cpes": [
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          "vendor": "Red Hat",
          "product": "Red Hat Enterprise Linux 8",
          "packageName": "virt:rhel/libnbd",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "unaffected"
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  ],
  "published": "2023-11-27T12:15:07.940",
  "references": [
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      "url": "https://access.redhat.com/errata/RHSA-2024:2204",
      "source": "secalert@redhat.com"
    },
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      "tags": [
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    },
    {
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      "tags": [
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      "tags": [
        "Mailing List",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service."
    },
    {
      "lang": "es",
      "value": "Se encontró una falla en libnbd debido a un Network Block Device (NBD) malicioso, un protocolo para acceder a dispositivos de bloque, como discos duros, a través de una red. Este problema puede permitir que un servidor NBD malintencionado provoque una Denegación de Servicio."
    }
  ],
  "lastModified": "2026-06-17T06:49:33.783",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}