Apache CloudStack: Any user can create a new VM from backups they should not have access to_CVE-2025-66171

{
    "lastseen": "",
    "description": "The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can create new VMs using backups of any other user of the environment.\n\nBackup plugin users using CloudStack 4.21.0.0+ are recommended to upgrade to CloudStack version 4.22.0.1, which fixes this issue.",
    "published": "2026-05-08T12:11:03.883Z",
    "modified": "2026-05-08T17:55:45.706Z",
    "type": "cve",
    "title": "Apache CloudStack: Any user can create a new VM from backups they should not have access to",
    "source": "apache",
    "references": "https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm",
    "id": "CVE-2025-66171",
    "bulletinFamily": "",
    "cwe": [
        "CWE-359"
    ],
    "cvelist": null,
    "sourceData": "Apache Software Foundation Apache CloudStack 4.21.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Apache CloudStack",
    "version": "4.21.0.0",
    "vendor": "Apache Software Foundation",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}