{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-20320",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. \r\n\r This vulnerability is due to insufficient validation of arguments that are included with the SSH client CLI command. An attacker with low-privileged access to an affected device could exploit this vulnerability by issuing a crafted SSH client command to the CLI. A successful exploit could allow the attacker to elevate privileges to root on the affected device."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Incorrect Privilege Assignment",
                        "cweId": "CWE-266"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco IOS XR Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.15"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.4.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.4.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.5.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.5.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.5.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.5.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.7.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.7.21"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.8.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.8.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.9.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.9.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.9.21"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.10.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ssh-privesc-eWDMKew3",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ssh-privesc-eWDMKew3"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-iosxr-ssh-privesc-eWDMKew3",
        "discovery": "INTERNAL",
        "defects": [
            "CSCwh52374"
        ]
    },
    "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: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"
            }
        ]
    }
}