{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "security@octopus.com",
        "ID": "CVE-2021-26556",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Octopus Deploy",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Octopus Server",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "0.9",
                                            "version_affected": ">="
                                        },
                                        {
                                            "version_value": "2020.4.229",
                                            "version_affected": "<"
                                        },
                                        {
                                            "version_value": "2020.5.0",
                                            "version_affected": ">="
                                        },
                                        {
                                            "version_value": "2020.5.256",
                                            "version_affected": "<"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Local privilege escalation in Octopus Server (Windows)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html",
                "refsource": "MISC",
                "name": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."
            }
        ]
    }
}