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CVE-2014-5298

Status: ModifiedMedium (5)—

FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

X2engine — X2engine

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2014-5298",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-10-10T01:55:11.210",
  "references": [
    {
      "url": "http://karmainsecurity.com/KIS-2014-10",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2014/Sep/78",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/533514/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-234763.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/X2Engine/X2Engine/blob/master/CHANGELOG.md",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://karmainsecurity.com/KIS-2014-10",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2014/Sep/78",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/533514/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-234763.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/X2Engine/X2Engine/blob/master/CHANGELOG.md",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program."
    },
    {
      "lang": "es",
      "value": "FileUploadsFilter.php en X2Engine 4.1.7 y anteriores, cuando funciona en sistemas de ficheros insensibles a mayúsculas y minúsculas, permite a atacantes remotos evadir la lista negra de subidas y realizar ataques de subidas de ficheros no restringidos mediante la subida de un fichero con una extensión ejecutable que contiene letras mayúsculas, tal y como fue demostrado al utilizar un programa PHP."
    }
  ],
  "lastModified": "2026-06-17T00:11:20.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:x2engine:x2engine:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7092B138-754A-4597-827C-BBC355B4F4AE",
              "versionEndIncluding": "4.1.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}