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CVE-2021-21898

Estado: ModificadaAlta (8.8)—

A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

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 (3)

Debian — Debian LinuxFedoraproject — FedoraLibrecad — Libdxfrw

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-21898",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    "cvssMetricV30": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "LibreCAD",
          "versions": [
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  "published": "2021-11-19T20:15:17.747",
  "references": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "talos-cna@cisco.com",
      "description": [
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          "value": "CWE-119"
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      ]
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    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de ejecución de código en la funcionalidad dwgCompressor::decompress18() de LibreCad libdxfrw versión 2.2.0-rc2-19-ge02f3580. Un archivo .dwg especialmente diseñado puede conllevar a una escritura fuera de límites. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T03:36:19.380",
  "configurations": [
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}