Vulnerability-Lookup

FKIE_CVE-2018-6439

Vulnerability from fkie_nvd - Published: 2018-12-03 21:29 - Updated: 2026-06-17 02:01

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

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.

References

	URL	Tags
	sirt@brocade.com	https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730	Vendor Advisory

Impacted products

Vendor	Product	Version
broadcom	fabric_operating_system	*
broadcom	fabric_operating_system	*
broadcom	fabric_operating_system	*
broadcom	fabric_operating_system	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Brocade Fabric OS",
          "vendor": "Brocade Communications Systems, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d"
            }
          ]
        }
      ],
      "source": "sirt@brocade.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A92A8875-D708-46CC-9758-E94551C9E809",
              "versionEndExcluding": "7.4.2d",
              "versionStartIncluding": "7.4.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1200CBDE-6179-45B9-A21A-D66341095B94",
              "versionEndExcluding": "8.0.2f",
              "versionStartIncluding": "8.0.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E5782411-927C-43DD-A7B2-E114402715E0",
              "versionEndExcluding": "8.1.2f",
              "versionStartIncluding": "8.1.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD800AD8-1792-4D0B-BE9C-FDCE1BF6BE31",
              "versionEndExcluding": "8.2.1",
              "versionStartIncluding": "8.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el comando configdownload de la interfaz de l\u00ednea de comandos de Brocade Fabric OS en versiones anteriores a la 8.2.1, 8.1.2f, 8.0.2f y 7.4.2d podr\u00eda permitir que un atacante local escapa del shell restringido y obtener acceso root."
    }
  ],
  "id": "CVE-2018-6439",
  "lastModified": "2026-06-17T02:01:50.100",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2018-6439",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-03T13:44:56.256082Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2018-12-03T21:29:00.227",
  "references": [
    {
      "source": "sirt@brocade.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730"
    }
  ],
  "sourceIdentifier": "sirt@brocade.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-6439 (GCVE-0-2018-6439)

Vulnerability from cvelistv5 – Published: 2018-12-03 22:00 – Updated: 2026-06-03 13:45

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-03 13:44 UTC

CWE

Privilege Escalation
CWE-noinfo Not enough information

Assigner

brocade mitre root

References

1 reference

URL	Tags
https://www.broadcom.com/support/fibre-channel-ne…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Brocade Communications Systems, Inc.	Brocade Fabric OS	Affected: All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d

Date Public

2018-10-29 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:01:49.295Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-730"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2018-6439",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-03T13:44:56.256082Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
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                "lang": "en",
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-03T13:45:32.504Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Brocade Fabric OS",
          "vendor": "Brocade Communications Systems, Inc.",
          "versions": [
            {
              "status": "affected",
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        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "Privilege Escalation",
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        "dateUpdated": "2018-12-03T21:57:01.000Z",
        "orgId": "87b297d7-335e-4844-9551-11b97995a791",
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      },
      "references": [
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "sirt@brocade.com",
          "DATE_PUBLIC": "2018-10-29T00:00:00",
          "ID": "CVE-2018-6439",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
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              {
                "product": {
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                    {
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                      "version": {
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                "vendor_name": "Brocade Communications Systems, Inc."
              }
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        "data_format": "MITRE",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.