{
  "id": "CVE-2021-43045",
  "sourceIdentifier": "security@apache.org",
  "published": "2022-01-06T18:15:07.863",
  "lastModified": "2023-09-26T12:54:35.333",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el SDK .NET de Apache Avro permite a un atacante asignar recursos excesivos, causando potencialmente un ataque de denegaci\u00f3n de servicio. Este problema afecta a las aplicaciones .NET que usan Apache Avro versiones 1.10.2 y anteriores. Los usuarios deben actualizar a versi\u00f3n 1.11.0, que aborda este problema."
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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-770"
        }
      ]
    },
    {
      "source": "security@apache.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:avro:*:*:*:*:*:.net:*:*",
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  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2022/01/06/8",
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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    {
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      "source": "security@apache.org",
      "tags": [
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        "Vendor Advisory"
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}