{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-20018",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device.\r\n\r This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Authentication Bypass Using an Alternate Path or Channel",
                        "cweId": "CWE-288"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Session Initiation Protocol (SIP) Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR3 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR1 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "9.3(4)SR2 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(2)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.5(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(5)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(4)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(0.7) MPP"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(4)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(4)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(1) MPP"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(4)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(5)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(5)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(3)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(2)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.5(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11-0-1MSR1-1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.4(1) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1.11) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1.9)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.2(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.1(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.4(1)SR2 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR4b"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1.9) 3rd Party"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(2)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.6(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.1(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.6(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.7(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.1(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.8(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(5)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(6)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(6)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.0(6)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "10.3(1)SR7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.7(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0(1)SR3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.1(1)"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.1(1)SR1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-ip-phone-auth-bypass-pSqxZRPR",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwc37223",
            "CSCwc37234"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "attackVector": "NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "availabilityImpact": "HIGH"
            }
        ]
    }
}