FKIE_CVE-2021-42774

Vulnerability from fkie_nvd - Published: 2021-11-12 02:15 - Updated: 2026-06-17 04:10
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.
References
cve@mitre.orghttps://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdfVendor Advisory
cve@mitre.orghttps://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-managerProduct
af854a3a-2127-422b-91ae-364da2661108https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-managerProduct
Impacted products
Vendor Product Version
broadcom emulex_hba_manager *
broadcom emulex_hba_manager *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:broadcom:emulex_hba_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFE37979-B917-4B38-BA65-5F209281B6F6",
              "versionEndExcluding": "11.4.425.0",
              "versionStartIncluding": "11.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:broadcom:emulex_hba_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "246CECCE-B018-43AD-ABC6-1D11941D1534",
              "versionEndExcluding": "12.8.542.31",
              "versionStartIncluding": "12.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated."
    },
    {
      "lang": "es",
      "value": "Broadcom Emulex HBA Manager/One Command Manager versiones anteriores a 11.4.425.0 y 12.8.542.31, si no se instalan en modo de administraci\u00f3n estrictamente local, presentan una vulnerabilidad de desbordamiento de b\u00fafer en la funcionalidad remote firmware download que podr\u00eda permitir a usuarios remotos no autenticados llevar a cabo diversos ataques. En el modo no seguro, el usuario no est\u00e1 autenticado"
    }
  ],
  "id": "CVE-2021-42774",
  "lastModified": "2026-06-17T04:10:07.303",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-11-12T02:15:06.800",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdf"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-manager"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-manager"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.