{
  "id": "CVE-2021-31239",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-05-09T02:15:08.907",
  "lastModified": "2023-05-22T04:15:09.640",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue found in SQLite SQLite3 v.3.35.4 that allows a remote attacker to cause a denial of service via the appendvfs.c function."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "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
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sqlite:sqlite:3.35.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "49CC71C1-9555-4A7A-A2F5-76A6E94E9AD1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/Tsiming/Vulnerabilities/blob/main/SQLite/CVE-2021-31239",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/73XUIHJ6UT75VFPDPLJOXJON7MVIKVZI/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FXFL4TDAH72PRCPD5UPZMJMKIMVOPLTI/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.sqlite.org/cves.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.sqlite.org/forum/forumpost/d9fce1a89b",
      "source": "cve@mitre.org",
      "tags": [
        "Mitigation"
      ]
    }
  ]
}