{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-20178",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "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\n\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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Incorrect Default Permissions",
                        "cweId": "CWE-276"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Secure Client",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.00086"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.01095"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.02028"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.03047"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.03049"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.04043"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.04053"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.05042"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.06037"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.00093"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.01075"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.02086"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.03104"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.04065"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.04071"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.05085"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.05095"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.05111"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.06079"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.10.06090"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "5.0.00238"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "5.0.00529"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "5.0.00556"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "5.0.01242"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-csc-privesc-wx4U4Kw",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-csc-privesc-wx4U4Kw"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-ac-csc-privesc-wx4U4Kw",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwe00252"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "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": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "attackVector": "LOCAL",
                "attackComplexity": "LOW",
                "privilegesRequired": "LOW",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "availabilityImpact": "HIGH"
            }
        ]
    }
}