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CVE-2023-4163

Estado: ModificadaMedia (4.4)—

In Brocade Fabric OS before v9.2.0a, a local authenticated privileged user can trigger a buffer overflow condition, leading to a kernel panic with large input to buffers in the portcfgfportbuffers command.

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)

Broadcom — Fabric Operating System

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-4163",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-4163",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-26T13:59:48.019682Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "sirt@brocade.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "sirt@brocade.com",
      "affectedData": [
        {
          "vendor": "Brocade",
          "product": "Brocade Fabric OS",
          "versions": [
            {
              "status": "affected",
              "version": "Fabric OS before v9.2.0a"
            }
          ],
          "platforms": [
            "Directors",
            "Embedded Switches",
            "Switches"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2023-08-31T01:15:09.190",
  "references": [
    {
      "url": "https://security.netapp.com/advisory/ntap-20231130-0001/",
      "source": "sirt@brocade.com"
    },
    {
      "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/22514",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@brocade.com"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231130-0001/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/22514",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "sirt@brocade.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In\n Brocade Fabric OS before v9.2.0a, a local authenticated privileged user\n can trigger a buffer overflow condition, leading to a kernel panic with\n large input to buffers in the portcfgfportbuffers command."
    },
    {
      "lang": "es",
      "value": "En Brocade Fabric OS antes de v9.2.0a, un usuario privilegiado autenticado localmente puede desencadenar una condición de desbordamiento de búfer, lo que lleva a un pánico del kernel con una gran entrada a los búferes en el comando portcfgfportbuffers."
    }
  ],
  "lastModified": "2026-06-17T06:37:12.837",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FDE13EB8-68AA-4E11-80D3-48E88398A70D",
              "versionEndExcluding": "9.2.0a"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "sirt@brocade.com"
}