cvelist/2023/20xxx/CVE-2023-20178.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@cisco.com",
        "DATE_PUBLIC": "2023-06-07T23:00:00",
        "ID": "CVE-2023-20178",
        "STATE": "PUBLIC",
        "TITLE": "Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows Privilege Escalation Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco AnyConnect Secure Mobility Client ",
                                "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": "\r A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows could allow a low-privileged, authenticated, local attacker to elevate privileges to those of SYSTEM. The client update process is executed after a successful VPN connection is established.\r This vulnerability exists because improper permissions are assigned to a temporary directory that is created during the update process. An attacker could exploit this vulnerability by abusing a specific function of the Windows installer process. A successful exploit could allow the attacker to execute code with SYSTEM privileges.\r "
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "The Cisco PSIRT is aware that proof-of-concept exploit code is available for the vulnerability that is described in this advisory. "
        }
    ],
    "impact": {
        "cvss": {
            "baseScore": "7.8",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-276"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "20230607 Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows Privilege Escalation Vulnerability",
                "refsource": "CISCO",
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-csc-privesc-wx4U4Kw"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-ac-csc-privesc-wx4U4Kw",
        "defect": [
            [
                "CSCwe00252"
            ]
        ],
        "discovery": "INTERNAL"
    }
}