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CVE-2018-6439

Status: ModifiedHigh (7.8)—

A Vulnerability in the configdownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to escape the restricted shell and, gain root access.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Broadcom — Fabric Operating System

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-6439",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "exploitation": "none"
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              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-03T13:44:56.256082Z"
        }
      }
    ],
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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    "cvssMetricV30": [
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  "affected": [
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      "affectedData": [
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          "vendor": "Brocade Communications Systems, Inc.",
          "product": "Brocade Fabric OS",
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  "published": "2018-12-03T21:29:00.227",
  "references": [
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      "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "sirt@brocade.com"
    },
    {
      "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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  ],
  "descriptions": [
    {
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      "value": "A Vulnerability in the configdownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to escape the restricted shell and, gain root access."
    },
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      "lang": "es",
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    }
  ],
  "lastModified": "2026-06-17T02:01:50.100",
  "configurations": [
    {
      "nodes": [
        {
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          "operator": "OR"
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  "sourceIdentifier": "sirt@brocade.com"
}