FKIE_CVE-2021-20019

Vulnerability from fkie_nvd - Published: 2021-06-23 22:15 - Updated: 2026-06-17 03:33
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.
References
PSIRT@sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006Vendor Advisory
Impacted products
Vendor Product Version
sonicwall sonicos *
sonicwall sonicos *
sonicwall sonicos 6.0.5.3-94o
sonicwall sonicos 6.5.1.12-3n
sonicwall sonicos 6.5.4.7-83n
sonicwall sonicosv 6.5.4.4-44v-21-955
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "SonicOS",
          "vendor": "SonicWall",
          "versions": [
            {
              "status": "affected",
              "version": "SonicOS - 6.5.4.7-83n"
            },
            {
              "status": "affected",
              "version": "SonicOSv - 6.5.4.4-44v-21-955"
            },
            {
              "status": "affected",
              "version": "SonicOS - 6.5.1.12-3n"
            },
            {
              "status": "affected",
              "version": "SonicOS - 6.0.5.3-94o"
            },
            {
              "status": "affected",
              "version": "SonicOS - 7.0.0-R713 and earlier"
            },
            {
              "status": "affected",
              "version": "SonicOS - 7.0.1-R1036 and earlier"
            },
            {
              "status": "affected",
              "version": "SonicOS - 7.0.0.375 and earlier"
            }
          ]
        }
      ],
      "source": "PSIRT@sonicwall.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D42B9BB-66D4-4389-8F91-91148E2A6B9B",
              "versionEndExcluding": "7.0.0.376",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15CCFEA2-9302-4BEB-A5E3-9F6CE47A7FF6",
              "versionEndExcluding": "7.0.1-r1036",
              "versionStartIncluding": "7.0.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicos:6.0.5.3-94o:*:*:*:*:*:*:*",
              "matchCriteriaId": "1BC37D8B-1946-4998-AA64-A03D226CAA27",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicos:6.5.1.12-3n:*:*:*:*:*:*:*",
              "matchCriteriaId": "509A9DBE-EC4B-45B3-BB09-3E0C141180B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicos:6.5.4.7-83n:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CCE0644-D540-459E-AD53-698F12D08B94",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sonicosv:6.5.4.4-44v-21-955:*:*:*:*:*:*:*",
              "matchCriteriaId": "F2140596-2050-4CE1-8DB0-04F2A478955A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en SonicOS donde la respuesta del servidor HTTP filtra parte de la memoria mediante el env\u00edo de una petici\u00f3n HTTP dise\u00f1ada, esto puede conllevar potencialmente a una vulnerabilidad de divulgaci\u00f3n de datos confidenciales internos"
    }
  ],
  "id": "CVE-2021-20019",
  "lastModified": "2026-06-17T03:33:09.223",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-23T22:15:08.323",
  "references": [
    {
      "source": "PSIRT@sonicwall.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006"
    }
  ],
  "sourceIdentifier": "PSIRT@sonicwall.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "PSIRT@sonicwall.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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