{
  "id": "CVE-2021-20023",
  "sourceIdentifier": "PSIRT@sonicwall.com",
  "published": "2021-04-20T12:15:12.587",
  "lastModified": "2022-07-14T17:04:29.513",
  "vulnStatus": "Analyzed",
  "cisaExploitAdd": "2021-11-03",
  "cisaActionDue": "2021-11-17",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "SonicWall Email Security Privilege Escalation Exploit Chain",
  "descriptions": [
    {
      "lang": "en",
      "value": "SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host."
    },
    {
      "lang": "es",
      "value": "SonicWall Email Security versi\u00f3n 10.0.9.x, contiene una vulnerabilidad que permite a un atacante autenticado posteriormente leer un archivo arbitrario en el host remoto"
    }
  ],
  "metrics": {
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    },
    {
      "source": "PSIRT@sonicwall.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:email_security_virtual_appliance:*:*",
              "versionEndExcluding": "10.0.9.6173",
              "matchCriteriaId": "A2EF8D15-9080-4F66-8F9B-6F10EACD54F4"
            },
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              "versionEndExcluding": "10.0.9.6173",
              "matchCriteriaId": "71CA4F7A-BA37-4922-80C8-51574BE4199C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sonicwall:hosted_email_security:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.0.9.6173",
              "matchCriteriaId": "DCFC13F9-2DE3-412F-8C8B-847C81811B11"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010",
      "source": "PSIRT@sonicwall.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}