{
  "id": "CVE-2021-21511",
  "sourceIdentifier": "security_alert@emc.com",
  "published": "2021-02-15T22:15:13.897",
  "lastModified": "2022-04-26T15:59:47.877",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data."
    },
    {
      "lang": "es",
      "value": "Dell EMC Avamar Server, versiones 19.3 y 19.4, contienen una vulnerabilidad de Autorizaci\u00f3n Inapropiada en la Interfaz de Usuario web. Un atacante remoto con pocos privilegios podr\u00eda aprovechar esta vulnerabilidad para obtener acceso no autorizado de lectura o modificaci\u00f3n a los datos de respaldo de otros usuarios"
    }
  ],
  "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:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2
      },
      {
        "source": "security_alert@emc.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    },
    {
      "source": "security_alert@emc.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dell:emc_avamar_server:19.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "C7FEBC8A-A479-4684-A870-19E5046EA3B0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dell:emc_avamar_server:19.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "CC33D28B-F305-47AB-84DE-40A2DCB956AE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "F5D783F9-E4AD-41A8-B1F9-D52333B00D62"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability",
      "source": "security_alert@emc.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}