{
  "id": "CVE-2021-22996",
  "sourceIdentifier": "f5sirt@f5.com",
  "published": "2021-03-31T18:15:14.973",
  "lastModified": "2021-04-06T17:57:36.557",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "On all 7.x versions (fixed in 8.0.0), when set up for auto failover, a BIG-IQ Data Collection Device (DCD) cluster member that receives an undisclosed message may cause the corosync process to abort. This behavior may lead to a denial-of-service (DoS) and impact the stability of a BIG-IQ high availability (HA) cluster. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."
    },
    {
      "lang": "es",
      "value": "En todas las versiones 7.x (corregidas en 8.0.0), cuando se configura para la conmutaci\u00f3n autom\u00e1tica por error, un miembro del cl\u00faster BIG-IQ Data Collection Device (DCD) que recibe un mensaje no revelado puede hacer que el proceso de corosync se anule. Este comportamiento puede conducir a una denegaci\u00f3n de servicio (DoS) y afectar la estabilidad de un cl\u00faster de alta disponibilidad (HA) de BIG-IQ. Nota: No se eval\u00faan las versiones de software que han alcanzado End of Software Development (EoSD)."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "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:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.0.0",
              "versionEndExcluding": "8.0.0",
              "matchCriteriaId": "6AE4086B-82C9-4EDF-AF32-6641A7D29D3B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K16352404",
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}