{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-20492",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the restricted shell of Cisco Expressway Series could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have Administrator-level credentials with read-write privileges on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a series of crafted CLI commands. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of the affected device.\r\nNote: Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Improper Neutralization of Special Elements used in a Command ('Command Injection')",
                        "cweId": "CWE-77"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco TelePresence Video Communication Server (VCS) Expressway",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.11.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.11.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.8.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.11.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.7.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.6.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.11.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.9.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.10.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.8.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.5.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.9.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.11.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.8.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.1.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.10.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.10.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.10.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.5.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.10.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X8.7.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.5.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.6.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.7.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X12.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.11"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.0.10"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.2.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X15.0.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X15.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X15.0.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X15.0.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "X14.3.6"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expw-escalation-3bkz77bD",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expw-escalation-3bkz77bD"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-expw-escalation-3bkz77bD",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwk75586"
        ]
    },
    "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:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
                "baseScore": 6,
                "baseSeverity": "MEDIUM",
                "attackVector": "LOCAL",
                "attackComplexity": "LOW",
                "privilegesRequired": "HIGH",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "availabilityImpact": "NONE"
            }
        ]
    }
}