« Volver al listado

CVE-2021-20043

Estado: ModificadaAlta (8.8)—

A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (5)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20043",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "PSIRT@sonicwall.com",
      "affectedData": [
        {
          "vendor": "SonicWall",
          "product": "SonicWall SMA100",
          "versions": [
            {
              "status": "affected",
              "version": "10.2.0.8-37sv and earlier"
            },
            {
              "status": "affected",
              "version": "10.2.1.1-19sv and earlier"
            },
            {
              "status": "affected",
              "version": "10.2.1.2-24sv and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-08T10:15:08.100",
  "references": [
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "PSIRT@sonicwall.com"
    },
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "PSIRT@sonicwall.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de desbordamiento del búfer en la región Heap de la memoria en el método getBookmarks de SonicWall SMA100 permite a un atacante remoto autenticado ejecutar potencialmente código como el usuario nobody en el dispositivo. Esta vulnerabilidad afecta a los dispositivos SMA 200, 210, 400, 410 y 500v"
    }
  ],
  "lastModified": "2026-06-17T03:33:12.017",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4185C028-6A07-4A92-8380-9AA3953D2CFD"
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "33233A45-6667-4CE9-A21C-6A6C725689F8"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "0B190266-AD6F-401B-9B2E-061CDD539236"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E62EEC93-6F52-4DDB-95F0-D5736391D64C"
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4F1C135-A182-4233-B7FC-D08C754ECE13"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "51587338-4A5F-41FC-9497-743F061947C2"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "53698BD3-43B6-4EC4-8847-E6ED9A3CB6F6"
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8EC74D70-C04B-481F-A706-6C86751996FB"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9DFB8FBC-FFA4-4526-B306-D5692A43DC9E"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BE21589-3BEC-4245-9939-CF50DE70B12A"
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BEB82F42-A5DF-42CC-86F9-B06B39BBC202"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9D728332-10C9-4508-B720-569D44E99543"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "379F7CA2-8914-4710-AE6B-D2833605D4B8"
            },
            {
              "criteria": "cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AC429F62-366B-4B68-B378-FB741F9F7FEF"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A6AD8A33-7CE4-4C66-9E23-F0C9C9638770"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "PSIRT@sonicwall.com"
}