{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@paloaltonetworks.com",
        "DATE_PUBLIC": "2020-05-13T16:00:00.000Z",
        "ID": "CVE-2020-2002",
        "STATE": "PUBLIC",
        "TITLE": "PAN-OS: Spoofed Kerberos key distribution center authentication bypass"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "PAN-OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "8.1",
                                            "version_value": "8.1.13"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "9.0",
                                            "version_value": "9.0.6"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "7.1",
                                            "version_value": "7.1.26"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "8.1",
                                            "version_value": "8.1.13"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "9.0",
                                            "version_value": "9.0.6"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "7.1",
                                            "version_value": "7.1.26"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_name": "8.0",
                                            "version_value": "8.0.*"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Palo Alto Networks"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Palo Alto Networks would like to thank Yoav Iellin, Yaron Kassner, and Rotem Zach from Silverfort for discovering and reporting this issue."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-290 Authentication Bypass by Spoofing"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://security.paloaltonetworks.com/CVE-2020-2002",
                "name": "https://security.paloaltonetworks.com/CVE-2020-2002"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.13, PAN-OS 9.0.6, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies."
        }
    ],
    "source": {
        "defect": [
            "PAN-118957"
        ],
        "discovery": "EXTERNAL"
    },
    "timeline": [
        {
            "lang": "eng",
            "time": "2020-05-13T16:00:00.000Z",
            "value": "Initial publication"
        }
    ],
    "work_around": [
        {
            "lang": "eng",
            "value": "Ensure that PAN-OS communicates to Kerberos server over a secured network with access restricted to trusted users.\n\nPlease review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com."
        }
    ]
}