{
  "id": "CVE-2021-27836",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-11-03T17:15:08.337",
  "lastModified": "2021-11-26T20:01:30.847",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en la funci\u00f3n xls_getWorkSheet en el archivo xls.c en libxls 1.6.2, que permite a atacantes causar una denegaci\u00f3n de servicio, por medio de un archivo XLS dise\u00f1ado"
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
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          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-476"
        }
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      "url": "https://github.com/libxls/libxls/issues/94",
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        "Patch",
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