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CVE-2021-20018

Status: ModifiedMedium (4.9)—

A post-authenticated vulnerability in SonicWall SMA100 allows an attacker to export the configuration file to the specified email address. This vulnerability impacts SMA100 version 10.2.0.5 and earlier.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Sonicwall — Sma100 Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-20018",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "cvssData": {
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "PSIRT@sonicwall.com",
      "affectedData": [
        {
          "vendor": "SonicWall",
          "product": "SMA100",
          "versions": [
            {
              "status": "affected",
              "version": "10.2.0.5 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-13T02:15:12.783",
  "references": [
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0005",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "PSIRT@sonicwall.com"
    },
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0005",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "PSIRT@sonicwall.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A post-authenticated vulnerability in SonicWall SMA100 allows an attacker to export the configuration file to the specified email address. This vulnerability impacts SMA100 version 10.2.0.5 and earlier."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad posterior a una autenticación en SonicWall SMA100, permite a un atacante exportar el archivo de configuración a la dirección de correo electrónico especificada. Esta vulnerabilidad afecta a SMA100 versiones 10.2.0.5 y anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:33:09.120",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "versionEndIncluding": "10.2.0.5"
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        },
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  "sourceIdentifier": "PSIRT@sonicwall.com"
}