CVE-2021-27796 (GCVE-0-2021-27796)

Vulnerability from cvelistv5 – Published: 2022-02-21 17:49 – Updated: 2024-08-03 21:33
VLAI?
Summary
A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the “user” or “factory” account, to read the contents of any file on the filesystem utilizing one of a few available binaries.
Severity ?
No CVSS data available.
CWE
  • Privileged File Read
Assigner
References
Impacted products
Vendor Product Version
n/a Brocade Fabric OS Affected: Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:33:15.743Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Brocade Fabric OS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the \u201cuser\u201d or \u201cfactory\u201d account, to read the contents of any file on the filesystem utilizing one of a few available binaries."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privileged File Read",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-21T17:49:34",
        "orgId": "87b297d7-335e-4844-9551-11b97995a791",
        "shortName": "brocade"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "sirt@brocade.com",
          "ID": "CVE-2021-27796",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Brocade Fabric OS",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the \u201cuser\u201d or \u201cfactory\u201d account, to read the contents of any file on the filesystem utilizing one of a few available binaries."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Privileged File Read"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721",
              "refsource": "MISC",
              "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "87b297d7-335e-4844-9551-11b97995a791",
    "assignerShortName": "brocade",
    "cveId": "CVE-2021-27796",
    "datePublished": "2022-02-21T17:49:34",
    "dateReserved": "2021-02-26T00:00:00",
    "dateUpdated": "2024-08-03T21:33:15.743Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-27796\",\"sourceIdentifier\":\"sirt@brocade.com\",\"published\":\"2022-02-21T18:15:08.407\",\"lastModified\":\"2024-11-21T05:58:35.077\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the \u201cuser\u201d or \u201cfactory\u201d account, to read the contents of any file on the filesystem utilizing one of a few available binaries.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en Brocade Fabric OS versiones anteriores a Brocade Fabric OS v8.0.1b, v7.4.1d podr\u00eda permitir a un atacante autenticado dentro del entorno de shell restringido (rbash) como cuenta \\\"user\\\" o \\\"factory\\\", leer el contenido de cualquier archivo del sistema de archivos utilizando uno de los pocos binarios disponibles\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:N/A:N\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"7.4.1d\",\"matchCriteriaId\":\"C0B36104-09A7-4687-8389-14B7F0CD8EAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"8.0.1b\",\"matchCriteriaId\":\"78437081-AF0F-45B1-A7C5-3E9CD1016952\"}]}]}],\"references\":[{\"url\":\"https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721\",\"source\":\"sirt@brocade.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.