{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2018-10-17T16:00:00-0500",
        "ID": "CVE-2018-0420",
        "STATE": "PUBLIC",
        "TITLE": "Cisco Wireless LAN Controller Software Directory Traversal Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Wireless LAN Controller (WLC) ",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Cisco"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the web-based interface of Cisco Wireless LAN Controller Software could allow an authenticated, remote attacker to view sensitive information. The issue is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames and pathnames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files on the targeted device, which may contain sensitive information."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. "
        }
    ],
    "impact": {
        "cvss": {
            "baseScore": "6.5",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N ",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-22"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "105671",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/105671"
            },
            {
                "name": "20181017 Cisco Wireless LAN Controller Software Directory Traversal Vulnerability",
                "refsource": "CISCO",
                "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-traversal"
            },
            {
                "name": "1041926",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1041926"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-20181017-wlc-traversal",
        "defect": [
            [
                "CSCvf66723"
            ]
        ],
        "discovery": "INTERNAL"
    }
}