{
  "id": "CVE-2020-8639",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-04-03T19:15:13.593",
  "lastModified": "2021-02-22T19:16:40.023",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de carga de archivos no restringida en el archivo keywordsImport.php en TestLink versi\u00f3n 1.9.20, permite a atacantes remotos ejecutar c\u00f3digo arbitrario al cargar un archivo con una extensi\u00f3n ejecutable. Esto permite a un atacante autenticado cargar un archivo malicioso (que contiene c\u00f3digo PHP para ejecutar comandos del sistema operativo) en un directorio de la aplicaci\u00f3n accesible p\u00fablicamente."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:testlink:testlink:1.9.20:*:*:*:*:*:*:*",
              "matchCriteriaId": "1007C963-3BC2-41CF-9C5F-C8F54EAAAF8A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}