{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "CVE_data_meta": {
        "ID": "CVE-2020-8555",
        "ASSIGNER": "security@kubernetes.io",
        "DATE_PUBLIC": "",
        "TITLE": "Kubernetes  kube-controller-manager SSRF",
        "AKA": "",
        "STATE": "PUBLIC"
    },
    "source": {
        "defect": [
            "https://github.com/kubernetes/kubernetes/issues/91542"
        ],
        "advisory": "",
        "discovery": "EXTERNAL"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Kubernetes",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Kubernetes",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_name": "1.15",
                                            "version_affected": "<",
                                            "version_value": "1.15.12",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "1.16",
                                            "version_affected": "<",
                                            "version_value": "1.16.9",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "1.17",
                                            "version_affected": "<",
                                            "version_value": "1.17.5",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.18.0",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.1",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.2",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.3",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.4",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.5",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.6",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.7",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.8",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.9",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.10",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.11",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.12",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.13",
                                            "platform": ""
                                        },
                                        {
                                            "version_name": "",
                                            "version_affected": "",
                                            "version_value": "1.14",
                                            "platform": ""
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-918 Server-Side Request Forgery (SSRF)"
                    }
                ]
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services)."
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200601 CVE-2020-8555: Kubernetes: Half-Blind SSRF in kube-controller-manager",
                "url": "http://www.openwall.com/lists/oss-security/2020/06/01/4"
            },
            {
                "refsource": "MLIST",
                "url": "https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion",
                "name": ""
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/kubernetes/kubernetes/issues/91542",
                "url": "https://github.com/kubernetes/kubernetes/issues/91542"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-aeea04cd13",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20200724-0005/",
                "url": "https://security.netapp.com/advisory/ntap-20200724-0005/"
            }
        ]
    },
    "configuration": [],
    "impact": {
        "cvss": {
            "version": "3.1",
            "attackVector": "NETWORK",
            "attackComplexity": "HIGH",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "CHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "availabilityImpact": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM"
        }
    },
    "exploit": [],
    "work_around": [
        {
            "lang": "eng",
            "value": "Prior to upgrading, this vulnerability can be mitigated by adding endpoint protections on the master or restricting usage of the vulnerable volume types (for example by constraining usage with a PodSecurityPolicy or third-party admission controller such as Gatekeeper) and restricting StorageClass write permissions through RBAC."
        }
    ],
    "solution": [],
    "credit": [
        {
            "lang": "eng",
            "value": "Brice Augras from Groupe-Asten and Christophe Hauquiert from Nokia"
        }
    ]
}